28528164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 83516160

約数和(自身を除く): 54987996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1433, 1659, 2212, 2844, 2866, 3318, 4299, 4977, 5732, 6636, 8598, 9954, 10031, 12897, 17196, 19908, 20062, 25794, 30093, 40124, 51588, 60186, 90279, 113207, 120372, 180558, 226414, 339621, 361116, 452828, 679242, 792449, 1018863, 1358484, 1584898, 2037726, 2377347, 3169796, 4075452, 4754694, 7132041, 9509388, 14264082, 28528164]

約数ペア:

[(1, 28528164), (2, 14264082), (3, 9509388), (4, 7132041), (6, 4754694), (7, 4075452), (9, 3169796), (12, 2377347), (14, 2037726), (18, 1584898), (21, 1358484), (28, 1018863), (36, 792449), (42, 679242), (63, 452828), (79, 361116), (84, 339621), (126, 226414), (158, 180558), (237, 120372), (252, 113207), (316, 90279), (474, 60186), (553, 51588), (711, 40124), (948, 30093), (1106, 25794), (1422, 20062), (1433, 19908), (1659, 17196), (2212, 12897), (2844, 10031), (2866, 9954), (3318, 8598), (4299, 6636), (4977, 5732)]