221484770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{54959}}^1$

素因数の和:55010

約数の個数: 32

約数和(自身を含む): 443197440

約数和(自身を除く): 221712670

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 54959, 109918, 274795, 549590, 714467, 1428934, 1703729, 3407458, 3572335, 7144670, 8518645, 17037290, 22148477, 44296954, 110742385, 221484770]

約数ペア:

[(1, 221484770), (2, 110742385), (5, 44296954), (10, 22148477), (13, 17037290), (26, 8518645), (31, 7144670), (62, 3572335), (65, 3407458), (130, 1703729), (155, 1428934), (310, 714467), (403, 549590), (806, 274795), (2015, 109918), (4030, 54959)]