505721710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90469}}^1$

素因数の和:90532

約数の個数: 32

約数和(自身を含む): 1003131360

約数和(自身を除く): 497409650

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 90469, 180938, 452345, 904690, 1176097, 2352194, 3890167, 5880485, 7780334, 11760970, 19450835, 38901670, 50572171, 101144342, 252860855, 505721710]

約数ペア:

[(1, 505721710), (2, 252860855), (5, 101144342), (10, 50572171), (13, 38901670), (26, 19450835), (43, 11760970), (65, 7780334), (86, 5880485), (130, 3890167), (215, 2352194), (430, 1176097), (559, 904690), (1118, 452345), (2795, 180938), (5590, 90469)]