31940532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 87753120

約数和(自身を除く): 55812588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 491, 556, 834, 982, 1251, 1473, 1668, 1807, 1964, 2502, 2946, 3614, 4419, 5004, 5421, 5892, 6383, 7228, 8838, 10842, 12766, 16263, 17676, 19149, 21684, 25532, 32526, 38298, 57447, 65052, 68249, 76596, 114894, 136498, 204747, 229788, 272996, 409494, 614241, 818988, 887237, 1228482, 1774474, 2456964, 2661711, 3548948, 5323422, 7985133, 10646844, 15970266, 31940532]

約数ペア:

[(1, 31940532), (2, 15970266), (3, 10646844), (4, 7985133), (6, 5323422), (9, 3548948), (12, 2661711), (13, 2456964), (18, 1774474), (26, 1228482), (36, 887237), (39, 818988), (52, 614241), (78, 409494), (117, 272996), (139, 229788), (156, 204747), (234, 136498), (278, 114894), (417, 76596), (468, 68249), (491, 65052), (556, 57447), (834, 38298), (982, 32526), (1251, 25532), (1473, 21684), (1668, 19149), (1807, 17676), (1964, 16263), (2502, 12766), (2946, 10842), (3614, 8838), (4419, 7228), (5004, 6383), (5421, 5892)]