87521710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3391}}^1$

素因数の和:3516

約数の個数: 32

約数和(自身を含む): 164851200

約数和(自身を除く): 77329490

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 3391, 5162, 6782, 12905, 16955, 25810, 33910, 98339, 196678, 301799, 491695, 603598, 983390, 1508995, 3017990, 8752171, 17504342, 43760855, 87521710]

約数ペア:

[(1, 87521710), (2, 43760855), (5, 17504342), (10, 8752171), (29, 3017990), (58, 1508995), (89, 983390), (145, 603598), (178, 491695), (290, 301799), (445, 196678), (890, 98339), (2581, 33910), (3391, 25810), (5162, 16955), (6782, 12905)]