31794828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 89187840

約数和(自身を除く): 57393012

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 228, 247, 323, 442, 494, 631, 646, 663, 741, 884, 969, 988, 1262, 1292, 1326, 1482, 1893, 1938, 2524, 2652, 2964, 3786, 3876, 4199, 7572, 8203, 8398, 10727, 11989, 12597, 16406, 16796, 21454, 23978, 24609, 25194, 32181, 32812, 35967, 42908, 47956, 49218, 50388, 64362, 71934, 98436, 128724, 139451, 143868, 155857, 203813, 278902, 311714, 407626, 418353, 467571, 557804, 611439, 623428, 815252, 836706, 935142, 1222878, 1673412, 1870284, 2445756, 2649569, 5299138, 7948707, 10598276, 15897414, 31794828]

約数ペア:

[(1, 31794828), (2, 15897414), (3, 10598276), (4, 7948707), (6, 5299138), (12, 2649569), (13, 2445756), (17, 1870284), (19, 1673412), (26, 1222878), (34, 935142), (38, 836706), (39, 815252), (51, 623428), (52, 611439), (57, 557804), (68, 467571), (76, 418353), (78, 407626), (102, 311714), (114, 278902), (156, 203813), (204, 155857), (221, 143868), (228, 139451), (247, 128724), (323, 98436), (442, 71934), (494, 64362), (631, 50388), (646, 49218), (663, 47956), (741, 42908), (884, 35967), (969, 32812), (988, 32181), (1262, 25194), (1292, 24609), (1326, 23978), (1482, 21454), (1893, 16796), (1938, 16406), (2524, 12597), (2652, 11989), (2964, 10727), (3786, 8398), (3876, 8203), (4199, 7572)]