1998477612

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{2063}}^1$

素因数の和:2523

約数の個数: 72

約数和(自身を含む): 5138864640

約数和(自身を除く): 3140387028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 379, 426, 639, 758, 852, 1137, 1278, 1516, 2063, 2274, 2556, 3411, 4126, 4548, 6189, 6822, 8252, 12378, 13644, 18567, 24756, 26909, 37134, 53818, 74268, 80727, 107636, 146473, 161454, 242181, 292946, 322908, 439419, 484362, 585892, 781877, 878838, 968724, 1318257, 1563754, 1757676, 2345631, 2636514, 3127508, 4691262, 5273028, 7036893, 9382524, 14073786, 28147572, 55513267, 111026534, 166539801, 222053068, 333079602, 499619403, 666159204, 999238806, 1998477612]

約数ペア:

[(1, 1998477612), (2, 999238806), (3, 666159204), (4, 499619403), (6, 333079602), (9, 222053068), (12, 166539801), (18, 111026534), (36, 55513267), (71, 28147572), (142, 14073786), (213, 9382524), (284, 7036893), (379, 5273028), (426, 4691262), (639, 3127508), (758, 2636514), (852, 2345631), (1137, 1757676), (1278, 1563754), (1516, 1318257), (2063, 968724), (2274, 878838), (2556, 781877), (3411, 585892), (4126, 484362), (4548, 439419), (6189, 322908), (6822, 292946), (8252, 242181), (12378, 161454), (13644, 146473), (18567, 107636), (24756, 80727), (26909, 74268), (37134, 53818)]