28580292

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 78473304

約数和(自身を除く): 49893012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 353, 468, 519, 692, 706, 1038, 1059, 1412, 1557, 2076, 2118, 2249, 3114, 3177, 4236, 4498, 4589, 6228, 6354, 6747, 8996, 9178, 12708, 13494, 13767, 18356, 20241, 26988, 27534, 40482, 41301, 55068, 61069, 80964, 82602, 122138, 165204, 183207, 244276, 366414, 549621, 732828, 793897, 1099242, 1587794, 2198484, 2381691, 3175588, 4763382, 7145073, 9526764, 14290146, 28580292]

約数ペア:

[(1, 28580292), (2, 14290146), (3, 9526764), (4, 7145073), (6, 4763382), (9, 3175588), (12, 2381691), (13, 2198484), (18, 1587794), (26, 1099242), (36, 793897), (39, 732828), (52, 549621), (78, 366414), (117, 244276), (156, 183207), (173, 165204), (234, 122138), (346, 82602), (353, 80964), (468, 61069), (519, 55068), (692, 41301), (706, 40482), (1038, 27534), (1059, 26988), (1412, 20241), (1557, 18356), (2076, 13767), (2118, 13494), (2249, 12708), (3114, 9178), (3177, 8996), (4236, 6747), (4498, 6354), (4589, 6228)]