128335846

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 207463680

約数和(自身を除く): 79127834

約数列:

[1, 2, 29, 31, 58, 62, 137, 274, 521, 899, 1042, 1798, 3973, 4247, 7946, 8494, 15109, 16151, 30218, 32302, 71377, 123163, 142754, 246326, 468379, 936758, 2069933, 2212687, 4139866, 4425374, 64167923, 128335846]

約数ペア:

[(1, 128335846), (2, 64167923), (29, 4425374), (31, 4139866), (58, 2212687), (62, 2069933), (137, 936758), (274, 468379), (521, 246326), (899, 142754), (1042, 123163), (1798, 71377), (3973, 32302), (4247, 30218), (7946, 16151), (8494, 15109)]