56989205

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 88769520

約数和(自身を除く): 31780315

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 145, 203, 245, 377, 455, 617, 637, 1015, 1421, 1885, 2639, 3085, 3185, 4319, 7105, 8021, 13195, 17893, 18473, 21595, 30233, 40105, 56147, 89465, 92365, 125251, 151165, 232609, 280735, 393029, 626255, 876757, 1163045, 1628263, 1965145, 4383785, 8141315, 11397841, 56989205]

約数ペア:

[(1, 56989205), (5, 11397841), (7, 8141315), (13, 4383785), (29, 1965145), (35, 1628263), (49, 1163045), (65, 876757), (91, 626255), (145, 393029), (203, 280735), (245, 232609), (377, 151165), (455, 125251), (617, 92365), (637, 89465), (1015, 56147), (1421, 40105), (1885, 30233), (2639, 21595), (3085, 18473), (3185, 17893), (4319, 13195), (7105, 8021)]