1897285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2630376

約数和(自身を除く): 733091

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 289, 505, 1105, 1313, 1445, 1717, 3757, 6565, 8585, 18785, 22321, 29189, 111605, 145945, 379457, 1897285]

約数ペア:

[(1, 1897285), (5, 379457), (13, 145945), (17, 111605), (65, 29189), (85, 22321), (101, 18785), (221, 8585), (289, 6565), (505, 3757), (1105, 1717), (1313, 1445)]