2515865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 3326400

約数和(自身を除く): 810535

約数列:

[1, 5, 11, 55, 149, 307, 745, 1535, 1639, 3377, 8195, 16885, 45743, 228715, 503173, 2515865]

約数ペア:

[(1, 2515865), (5, 503173), (11, 228715), (55, 45743), (149, 16885), (307, 8195), (745, 3377), (1535, 1639)]