815204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1567608

約数和(自身を除く): 752404

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 257, 514, 793, 1028, 1586, 3172, 3341, 6682, 13364, 15677, 31354, 62708, 203801, 407602, 815204]

約数ペア:

[(1, 815204), (2, 407602), (4, 203801), (13, 62708), (26, 31354), (52, 15677), (61, 13364), (122, 6682), (244, 3341), (257, 3172), (514, 1586), (793, 1028)]