121207970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21683}}^1$

素因数の和:21746

約数の個数: 32

約数和(自身を含む): 240432192

約数和(自身を除く): 119224222

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 21683, 43366, 108415, 216830, 281879, 563758, 932369, 1409395, 1864738, 2818790, 4661845, 9323690, 12120797, 24241594, 60603985, 121207970]

約数ペア:

[(1, 121207970), (2, 60603985), (5, 24241594), (10, 12120797), (13, 9323690), (26, 4661845), (43, 2818790), (65, 1864738), (86, 1409395), (130, 932369), (215, 563758), (430, 281879), (559, 216830), (1118, 108415), (2795, 43366), (5590, 21683)]