257953345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2251}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 349582464

約数和(自身を除く): 91629119

約数列:

[1, 5, 13, 41, 43, 65, 205, 215, 533, 559, 1763, 2251, 2665, 2795, 8815, 11255, 22919, 29263, 92291, 96793, 114595, 146315, 461455, 483965, 1199783, 1258309, 3968513, 5998915, 6291545, 19842565, 51590669, 257953345]

約数ペア:

[(1, 257953345), (5, 51590669), (13, 19842565), (41, 6291545), (43, 5998915), (65, 3968513), (205, 1258309), (215, 1199783), (533, 483965), (559, 461455), (1763, 146315), (2251, 114595), (2665, 96793), (2795, 92291), (8815, 29263), (11255, 22919)]