15850445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 21555072

約数和(自身を除く): 5704627

約数列:

[1, 5, 13, 43, 53, 65, 107, 215, 265, 535, 559, 689, 1391, 2279, 2795, 3445, 4601, 5671, 6955, 11395, 23005, 28355, 29627, 59813, 73723, 148135, 243853, 299065, 368615, 1219265, 3170089, 15850445]

約数ペア:

[(1, 15850445), (5, 3170089), (13, 1219265), (43, 368615), (53, 299065), (65, 243853), (107, 148135), (215, 73723), (265, 59813), (535, 29627), (559, 28355), (689, 23005), (1391, 11395), (2279, 6955), (2795, 5671), (3445, 4601)]