28161770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4455

約数の個数: 48

約数和(自身を含む): 63517608

約数和(自身を除く): 35355838

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4421, 6370, 8842, 22105, 30947, 44210, 57473, 61894, 114946, 154735, 216629, 287365, 309470, 402311, 433258, 574730, 804622, 1083145, 2011555, 2166290, 2816177, 4023110, 5632354, 14080885, 28161770]

約数ペア:

[(1, 28161770), (2, 14080885), (5, 5632354), (7, 4023110), (10, 2816177), (13, 2166290), (14, 2011555), (26, 1083145), (35, 804622), (49, 574730), (65, 433258), (70, 402311), (91, 309470), (98, 287365), (130, 216629), (182, 154735), (245, 114946), (455, 61894), (490, 57473), (637, 44210), (910, 30947), (1274, 22105), (3185, 8842), (4421, 6370)]