1256543028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2693}}^1$

素因数の和:3713

約数の個数: 72

約数和(自身を含む): 3425291688

約数和(自身を除く): 2168748660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 997, 1994, 2693, 2991, 3988, 5386, 5982, 8079, 8973, 10772, 11964, 12961, 16158, 17946, 24237, 25922, 32316, 35009, 35892, 38883, 48474, 51844, 70018, 77766, 96948, 105027, 116649, 140036, 155532, 210054, 233298, 315081, 420108, 466596, 630162, 1260324, 2684921, 5369842, 8054763, 10739684, 16109526, 24164289, 32219052, 34903973, 48328578, 69807946, 96657156, 104711919, 139615892, 209423838, 314135757, 418847676, 628271514, 1256543028]

約数ペア:

[(1, 1256543028), (2, 628271514), (3, 418847676), (4, 314135757), (6, 209423838), (9, 139615892), (12, 104711919), (13, 96657156), (18, 69807946), (26, 48328578), (36, 34903973), (39, 32219052), (52, 24164289), (78, 16109526), (117, 10739684), (156, 8054763), (234, 5369842), (468, 2684921), (997, 1260324), (1994, 630162), (2693, 466596), (2991, 420108), (3988, 315081), (5386, 233298), (5982, 210054), (8079, 155532), (8973, 140036), (10772, 116649), (11964, 105027), (12961, 96948), (16158, 77766), (17946, 70018), (24237, 51844), (25922, 48474), (32316, 38883), (35009, 35892)]