1987136735

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{272771}}^1$

素因数の和:272854

約数の個数: 16

約数和(自身を含む): 2513866752

約数和(自身を除く): 526730017

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 272771, 1363855, 8455901, 12820237, 42279505, 64101185, 397427347, 1987136735]

約数ペア:

[(1, 1987136735), (5, 397427347), (31, 64101185), (47, 42279505), (155, 12820237), (235, 8455901), (1457, 1363855), (7285, 272771)]