258710010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{663359}}^1$

素因数の和:663382

約数の個数: 32

約数和(自身を含む): 668666880

約数和(自身を除く): 409956870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 663359, 1326718, 1990077, 3316795, 3980154, 6633590, 8623667, 9950385, 17247334, 19900770, 25871001, 43118335, 51742002, 86236670, 129355005, 258710010]

約数ペア:

[(1, 258710010), (2, 129355005), (3, 86236670), (5, 51742002), (6, 43118335), (10, 25871001), (13, 19900770), (15, 17247334), (26, 9950385), (30, 8623667), (39, 6633590), (65, 3980154), (78, 3316795), (130, 1990077), (195, 1326718), (390, 663359)]