221728108

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{28181}}^1$

素因数の和:28473

約数の個数: 24

約数和(自身を含む): 445050144

約数和(自身を除く): 223322036

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 3934, 7868, 28181, 56362, 112724, 197267, 394534, 789068, 7918861, 15837722, 31675444, 55432027, 110864054, 221728108]

約数ペア:

[(1, 221728108), (2, 110864054), (4, 55432027), (7, 31675444), (14, 15837722), (28, 7918861), (281, 789068), (562, 394534), (1124, 197267), (1967, 112724), (3934, 56362), (7868, 28181)]