61232890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 112674240

約数和(自身を除く): 51441350

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 445, 535, 643, 890, 1070, 1286, 3215, 6430, 9523, 19046, 47615, 57227, 68801, 95230, 114454, 137602, 286135, 344005, 572270, 688010, 6123289, 12246578, 30616445, 61232890]

約数ペア:

[(1, 61232890), (2, 30616445), (5, 12246578), (10, 6123289), (89, 688010), (107, 572270), (178, 344005), (214, 286135), (445, 137602), (535, 114454), (643, 95230), (890, 68801), (1070, 57227), (1286, 47615), (3215, 19046), (6430, 9523)]