156669890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1433}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 314751528

約数和(自身を除く): 158081638

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 841, 1433, 1682, 1885, 2866, 3770, 4205, 7165, 8410, 10933, 14330, 18629, 21866, 37258, 41557, 54665, 83114, 93145, 109330, 186290, 207785, 415570, 540241, 1080482, 1205153, 2410306, 2701205, 5402410, 6025765, 12051530, 15666989, 31333978, 78334945, 156669890]

約数ペア:

[(1, 156669890), (2, 78334945), (5, 31333978), (10, 15666989), (13, 12051530), (26, 6025765), (29, 5402410), (58, 2701205), (65, 2410306), (130, 1205153), (145, 1080482), (290, 540241), (377, 415570), (754, 207785), (841, 186290), (1433, 109330), (1682, 93145), (1885, 83114), (2866, 54665), (3770, 41557), (4205, 37258), (7165, 21866), (8410, 18629), (10933, 14330)]