221408328

素因数分解:

$2^3\times 3^1\times {\mathrm{521}}^1\times {\mathrm{17707}}^1$

素因数の和:18237

約数の個数: 32

約数和(自身を含む): 554614560

約数和(自身を除く): 333206232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 521, 1042, 1563, 2084, 3126, 4168, 6252, 12504, 17707, 35414, 53121, 70828, 106242, 141656, 212484, 424968, 9225347, 18450694, 27676041, 36901388, 55352082, 73802776, 110704164, 221408328]

約数ペア:

[(1, 221408328), (2, 110704164), (3, 73802776), (4, 55352082), (6, 36901388), (8, 27676041), (12, 18450694), (24, 9225347), (521, 424968), (1042, 212484), (1563, 141656), (2084, 106242), (3126, 70828), (4168, 53121), (6252, 35414), (12504, 17707)]