31359328

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 84460320

約数和(自身を除く): 53100992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 89, 91, 104, 112, 121, 143, 154, 176, 178, 182, 208, 224, 242, 286, 308, 352, 356, 364, 416, 484, 572, 616, 623, 712, 728, 847, 968, 979, 1001, 1144, 1157, 1232, 1246, 1424, 1456, 1573, 1694, 1936, 1958, 2002, 2288, 2314, 2464, 2492, 2848, 2912, 3146, 3388, 3872, 3916, 4004, 4576, 4628, 4984, 6292, 6776, 6853, 7832, 8008, 8099, 9256, 9968, 10769, 11011, 12584, 12727, 13552, 13706, 15664, 16016, 16198, 18512, 19936, 21538, 22022, 25168, 25454, 27104, 27412, 31328, 32032, 32396, 37024, 43076, 44044, 50336, 50908, 54824, 64792, 75383, 86152, 88088, 89089, 101816, 109648, 129584, 139997, 150766, 172304, 176176, 178178, 203632, 219296, 259168, 279994, 301532, 344608, 352352, 356356, 407264, 559988, 603064, 712712, 979979, 1119976, 1206128, 1425424, 1959958, 2239952, 2412256, 2850848, 3919916, 4479904, 7839832, 15679664, 31359328]

約数ペア:

[(1, 31359328), (2, 15679664), (4, 7839832), (7, 4479904), (8, 3919916), (11, 2850848), (13, 2412256), (14, 2239952), (16, 1959958), (22, 1425424), (26, 1206128), (28, 1119976), (32, 979979), (44, 712712), (52, 603064), (56, 559988), (77, 407264), (88, 356356), (89, 352352), (91, 344608), (104, 301532), (112, 279994), (121, 259168), (143, 219296), (154, 203632), (176, 178178), (178, 176176), (182, 172304), (208, 150766), (224, 139997), (242, 129584), (286, 109648), (308, 101816), (352, 89089), (356, 88088), (364, 86152), (416, 75383), (484, 64792), (572, 54824), (616, 50908), (623, 50336), (712, 44044), (728, 43076), (847, 37024), (968, 32396), (979, 32032), (1001, 31328), (1144, 27412), (1157, 27104), (1232, 25454), (1246, 25168), (1424, 22022), (1456, 21538), (1573, 19936), (1694, 18512), (1936, 16198), (1958, 16016), (2002, 15664), (2288, 13706), (2314, 13552), (2464, 12727), (2492, 12584), (2848, 11011), (2912, 10769), (3146, 9968), (3388, 9256), (3872, 8099), (3916, 8008), (4004, 7832), (4576, 6853), (4628, 6776), (4984, 6292)]