6653660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 15236256

約数和(自身を除く): 8582596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 163, 260, 314, 326, 628, 652, 785, 815, 1570, 1630, 2041, 2119, 3140, 3260, 4082, 4238, 8164, 8476, 10205, 10595, 20410, 21190, 25591, 40820, 42380, 51182, 102364, 127955, 255910, 332683, 511820, 665366, 1330732, 1663415, 3326830, 6653660]

約数ペア:

[(1, 6653660), (2, 3326830), (4, 1663415), (5, 1330732), (10, 665366), (13, 511820), (20, 332683), (26, 255910), (52, 127955), (65, 102364), (130, 51182), (157, 42380), (163, 40820), (260, 25591), (314, 21190), (326, 20410), (628, 10595), (652, 10205), (785, 8476), (815, 8164), (1570, 4238), (1630, 4082), (2041, 3260), (2119, 3140)]