1291367545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{2447}}^1$

素因数の和:2841

約数の個数: 32

約数和(自身を含む): 1747049472

約数和(自身を除く): 455681927

約数列:

[1, 5, 13, 23, 65, 115, 299, 353, 1495, 1765, 2447, 4589, 8119, 12235, 22945, 31811, 40595, 56281, 105547, 159055, 281405, 527735, 731653, 863791, 3658265, 4318955, 11229283, 19867193, 56146415, 99335965, 258273509, 1291367545]

約数ペア:

[(1, 1291367545), (5, 258273509), (13, 99335965), (23, 56146415), (65, 19867193), (115, 11229283), (299, 4318955), (353, 3658265), (1495, 863791), (1765, 731653), (2447, 527735), (4589, 281405), (8119, 159055), (12235, 105547), (22945, 56281), (31811, 40595)]