128537402

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 225846144

約数和(自身を除く): 97308742

約数列:

[1, 2, 7, 14, 53, 106, 211, 371, 422, 742, 821, 1477, 1642, 2954, 5747, 11183, 11494, 22366, 43513, 78281, 87026, 156562, 173231, 304591, 346462, 609182, 1212617, 2425234, 9181243, 18362486, 64268701, 128537402]

約数ペア:

[(1, 128537402), (2, 64268701), (7, 18362486), (14, 9181243), (53, 2425234), (106, 1212617), (211, 609182), (371, 346462), (422, 304591), (742, 173231), (821, 156562), (1477, 87026), (1642, 78281), (2954, 43513), (5747, 22366), (11183, 11494)]