402248405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 542868480

約数和(自身を除く): 140620075

約数列:

[1, 5, 13, 31, 65, 89, 155, 403, 445, 1157, 2015, 2243, 2759, 5785, 11215, 13795, 29159, 35867, 69533, 145795, 179335, 199627, 347665, 903929, 998135, 2595151, 4519645, 6188437, 12975755, 30942185, 80449681, 402248405]

約数ペア:

[(1, 402248405), (5, 80449681), (13, 30942185), (31, 12975755), (65, 6188437), (89, 4519645), (155, 2595151), (403, 998135), (445, 903929), (1157, 347665), (2015, 199627), (2243, 179335), (2759, 145795), (5785, 69533), (11215, 35867), (13795, 29159)]