31470998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19843}}^1$

素因数の和:19919

約数の個数: 16

約数和(自身を含む): 51673776

約数和(自身を除く): 20202778

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 19843, 39686, 257959, 515918, 1210423, 2420846, 15735499, 31470998]

約数ペア:

[(1, 31470998), (2, 15735499), (13, 2420846), (26, 1210423), (61, 515918), (122, 257959), (793, 39686), (1586, 19843)]