28656325376

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{509}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 66424276800

約数和(自身を除く): 37767951424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 353, 356, 448, 509, 623, 706, 712, 896, 1018, 1246, 1412, 1424, 1792, 2036, 2471, 2492, 2824, 2848, 3563, 4072, 4942, 4984, 5648, 5696, 7126, 8144, 9884, 9968, 11296, 11392, 14252, 16288, 19768, 19936, 22592, 22784, 28504, 31417, 32576, 39536, 39872, 45184, 45301, 57008, 62834, 65152, 79072, 79744, 90368, 90602, 114016, 125668, 130304, 158144, 159488, 179677, 181204, 219919, 228032, 251336, 316288, 317107, 359354, 362408, 439838, 456064, 502672, 632576, 634214, 718708, 724816, 879676, 912128, 1005344, 1257739, 1268428, 1437416, 1449632, 1759352, 2010688, 2515478, 2536856, 2874832, 2899264, 3518704, 4021376, 5030956, 5073712, 5749664, 5798528, 7037408, 8042752, 10061912, 10147424, 11499328, 11597056, 14074816, 15991253, 20123824, 20294848, 22998656, 28149632, 31982506, 40247648, 40589696, 45997312, 56299264, 63965012, 80495296, 81179392, 111938771, 127930024, 160990592, 223877542, 255860048, 321981184, 447755084, 511720096, 895510168, 1023440192, 1791020336, 2046880384, 3582040672, 4093760768, 7164081344, 14328162688, 28656325376]

約数ペア:

[(1, 28656325376), (2, 14328162688), (4, 7164081344), (7, 4093760768), (8, 3582040672), (14, 2046880384), (16, 1791020336), (28, 1023440192), (32, 895510168), (56, 511720096), (64, 447755084), (89, 321981184), (112, 255860048), (128, 223877542), (178, 160990592), (224, 127930024), (256, 111938771), (353, 81179392), (356, 80495296), (448, 63965012), (509, 56299264), (623, 45997312), (706, 40589696), (712, 40247648), (896, 31982506), (1018, 28149632), (1246, 22998656), (1412, 20294848), (1424, 20123824), (1792, 15991253), (2036, 14074816), (2471, 11597056), (2492, 11499328), (2824, 10147424), (2848, 10061912), (3563, 8042752), (4072, 7037408), (4942, 5798528), (4984, 5749664), (5648, 5073712), (5696, 5030956), (7126, 4021376), (8144, 3518704), (9884, 2899264), (9968, 2874832), (11296, 2536856), (11392, 2515478), (14252, 2010688), (16288, 1759352), (19768, 1449632), (19936, 1437416), (22592, 1268428), (22784, 1257739), (28504, 1005344), (31417, 912128), (32576, 879676), (39536, 724816), (39872, 718708), (45184, 634214), (45301, 632576), (57008, 502672), (62834, 456064), (65152, 439838), (79072, 362408), (79744, 359354), (90368, 317107), (90602, 316288), (114016, 251336), (125668, 228032), (130304, 219919), (158144, 181204), (159488, 179677)]