28617290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 61399296

約数和(自身を除く): 32782006

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 563, 598, 782, 1105, 1126, 1495, 1955, 2210, 2815, 2990, 3910, 5083, 5630, 7319, 9571, 10166, 12949, 14638, 19142, 25415, 25898, 36595, 47855, 50830, 64745, 73190, 95710, 124423, 129490, 168337, 220133, 248846, 336674, 440266, 622115, 841685, 1100665, 1244230, 1683370, 2201330, 2861729, 5723458, 14308645, 28617290]

約数ペア:

[(1, 28617290), (2, 14308645), (5, 5723458), (10, 2861729), (13, 2201330), (17, 1683370), (23, 1244230), (26, 1100665), (34, 841685), (46, 622115), (65, 440266), (85, 336674), (115, 248846), (130, 220133), (170, 168337), (221, 129490), (230, 124423), (299, 95710), (391, 73190), (442, 64745), (563, 50830), (598, 47855), (782, 36595), (1105, 25898), (1126, 25415), (1495, 19142), (1955, 14638), (2210, 12949), (2815, 10166), (2990, 9571), (3910, 7319), (5083, 5630)]