254861490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653491}}^1$

素因数の和:653514

約数の個数: 32

約数和(自身を含む): 658719936

約数和(自身を除く): 403858446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 653491, 1306982, 1960473, 3267455, 3920946, 6534910, 8495383, 9802365, 16990766, 19604730, 25486149, 42476915, 50972298, 84953830, 127430745, 254861490]

約数ペア:

[(1, 254861490), (2, 127430745), (3, 84953830), (5, 50972298), (6, 42476915), (10, 25486149), (13, 19604730), (15, 16990766), (26, 9802365), (30, 8495383), (39, 6534910), (65, 3920946), (78, 3267455), (130, 1960473), (195, 1306982), (390, 653491)]