331431490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149969}}^1$

素因数の和:150006

約数の個数: 32

約数和(自身を含む): 680263920

約数和(自身を除く): 348832430

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 149969, 299938, 749845, 1499690, 1949597, 2549473, 3899194, 5098946, 9747985, 12747365, 19495970, 25494730, 33143149, 66286298, 165715745, 331431490]

約数ペア:

[(1, 331431490), (2, 165715745), (5, 66286298), (10, 33143149), (13, 25494730), (17, 19495970), (26, 12747365), (34, 9747985), (65, 5098946), (85, 3899194), (130, 2549473), (170, 1949597), (221, 1499690), (442, 749845), (1105, 299938), (2210, 149969)]