290813358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{18911}}^1$

素因数の和:19160

約数の個数: 32

約数和(自身を含む): 637258752

約数和(自身を除く): 346445394

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 233, 466, 699, 1398, 2563, 5126, 7689, 15378, 18911, 37822, 56733, 113466, 208021, 416042, 624063, 1248126, 4406263, 8812526, 13218789, 26437578, 48468893, 96937786, 145406679, 290813358]

約数ペア:

[(1, 290813358), (2, 145406679), (3, 96937786), (6, 48468893), (11, 26437578), (22, 13218789), (33, 8812526), (66, 4406263), (233, 1248126), (466, 624063), (699, 416042), (1398, 208021), (2563, 113466), (5126, 56733), (7689, 37822), (15378, 18911)]