66872912

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 138178656

約数和(自身を除く): 71305744

約数列:

[1, 2, 4, 8, 16, 37, 43, 71, 74, 86, 142, 148, 172, 284, 296, 344, 568, 592, 688, 1136, 1369, 1591, 2627, 2738, 3053, 3182, 5254, 5476, 6106, 6364, 10508, 10952, 12212, 12728, 21016, 21904, 24424, 25456, 42032, 48848, 58867, 97199, 112961, 117734, 194398, 225922, 235468, 388796, 451844, 470936, 777592, 903688, 941872, 1555184, 1807376, 4179557, 8359114, 16718228, 33436456, 66872912]

約数ペア:

[(1, 66872912), (2, 33436456), (4, 16718228), (8, 8359114), (16, 4179557), (37, 1807376), (43, 1555184), (71, 941872), (74, 903688), (86, 777592), (142, 470936), (148, 451844), (172, 388796), (284, 235468), (296, 225922), (344, 194398), (568, 117734), (592, 112961), (688, 97199), (1136, 58867), (1369, 48848), (1591, 42032), (2627, 25456), (2738, 24424), (3053, 21904), (3182, 21016), (5254, 12728), (5476, 12212), (6106, 10952), (6364, 10508)]