81179392

素因数分解:

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

素因数の和:621

約数の個数: 72

約数和(自身を含む): 187639200

約数和(自身を除く): 106459808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 509, 623, 712, 896, 1018, 1246, 1424, 1792, 2036, 2492, 2848, 3563, 4072, 4984, 5696, 7126, 8144, 9968, 11392, 14252, 16288, 19936, 22784, 28504, 32576, 39872, 45301, 57008, 65152, 79744, 90602, 114016, 130304, 159488, 181204, 228032, 317107, 362408, 456064, 634214, 724816, 912128, 1268428, 1449632, 2536856, 2899264, 5073712, 5798528, 10147424, 11597056, 20294848, 40589696, 81179392]

約数ペア:

[(1, 81179392), (2, 40589696), (4, 20294848), (7, 11597056), (8, 10147424), (14, 5798528), (16, 5073712), (28, 2899264), (32, 2536856), (56, 1449632), (64, 1268428), (89, 912128), (112, 724816), (128, 634214), (178, 456064), (224, 362408), (256, 317107), (356, 228032), (448, 181204), (509, 159488), (623, 130304), (712, 114016), (896, 90602), (1018, 79744), (1246, 65152), (1424, 57008), (1792, 45301), (2036, 39872), (2492, 32576), (2848, 28504), (3563, 22784), (4072, 19936), (4984, 16288), (5696, 14252), (7126, 11392), (8144, 9968)]