221137736

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 421822080

約数和(自身を除く): 200684344

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 617, 631, 1234, 1262, 2468, 2524, 4936, 5048, 43807, 44801, 87614, 89602, 175228, 179204, 350456, 358408, 389327, 778654, 1557308, 3114616, 27642217, 55284434, 110568868, 221137736]

約数ペア:

[(1, 221137736), (2, 110568868), (4, 55284434), (8, 27642217), (71, 3114616), (142, 1557308), (284, 778654), (568, 389327), (617, 358408), (631, 350456), (1234, 179204), (1262, 175228), (2468, 89602), (2524, 87614), (4936, 44801), (5048, 43807)]