620938928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{2029}}^1$

素因数の和:2685

約数の個数: 40

約数和(自身を含む): 1244503680

約数和(自身を除く): 623564752

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 617, 1234, 2029, 2468, 4058, 4936, 8116, 9872, 16232, 19127, 32464, 38254, 62899, 76508, 125798, 153016, 251596, 306032, 503192, 1006384, 1251893, 2503786, 5007572, 10015144, 20030288, 38808683, 77617366, 155234732, 310469464, 620938928]

約数ペア:

[(1, 620938928), (2, 310469464), (4, 155234732), (8, 77617366), (16, 38808683), (31, 20030288), (62, 10015144), (124, 5007572), (248, 2503786), (496, 1251893), (617, 1006384), (1234, 503192), (2029, 306032), (2468, 251596), (4058, 153016), (4936, 125798), (8116, 76508), (9872, 62899), (16232, 38254), (19127, 32464)]