28044770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6959}}^1$

素因数の和:7010

約数の個数: 32

約数和(自身を含む): 56125440

約数和(自身を除く): 28080670

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6959, 13918, 34795, 69590, 90467, 180934, 215729, 431458, 452335, 904670, 1078645, 2157290, 2804477, 5608954, 14022385, 28044770]

約数ペア:

[(1, 28044770), (2, 14022385), (5, 5608954), (10, 2804477), (13, 2157290), (26, 1078645), (31, 904670), (62, 452335), (65, 431458), (130, 215729), (155, 180934), (310, 90467), (403, 69590), (806, 34795), (2015, 13918), (4030, 6959)]