1418990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 2718792

約数和(自身を除く): 1299802

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 491, 578, 982, 1445, 2455, 2890, 4910, 8347, 16694, 41735, 83470, 141899, 283798, 709495, 1418990]

約数ペア:

[(1, 1418990), (2, 709495), (5, 283798), (10, 141899), (17, 83470), (34, 41735), (85, 16694), (170, 8347), (289, 4910), (491, 2890), (578, 2455), (982, 1445)]