2221544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 4604040

約数和(自身を除く): 2382496

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 521, 533, 1042, 1066, 2084, 2132, 4168, 4264, 6773, 13546, 21361, 27092, 42722, 54184, 85444, 170888, 277693, 555386, 1110772, 2221544]

約数ペア:

[(1, 2221544), (2, 1110772), (4, 555386), (8, 277693), (13, 170888), (26, 85444), (41, 54184), (52, 42722), (82, 27092), (104, 21361), (164, 13546), (328, 6773), (521, 4264), (533, 4168), (1042, 2132), (1066, 2084)]