156688870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19759}}^1$

素因数の和:19840

約数の個数: 32

約数和(自身を含む): 308730240

約数和(自身を除く): 152041370

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 19759, 39518, 98795, 197590, 256867, 513734, 1205299, 1284335, 2410598, 2568670, 6026495, 12052990, 15668887, 31337774, 78344435, 156688870]

約数ペア:

[(1, 156688870), (2, 78344435), (5, 31337774), (10, 15668887), (13, 12052990), (26, 6026495), (61, 2568670), (65, 2410598), (122, 1284335), (130, 1205299), (305, 513734), (610, 256867), (793, 197590), (1586, 98795), (3965, 39518), (7930, 19759)]