258710478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{9239}}^1$

素因数の和:9616

約数の個数: 32

約数和(自身を含む): 558835200

約数和(自身を除く): 300124722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 359, 718, 1077, 2154, 4667, 9239, 9334, 14001, 18478, 27717, 28002, 55434, 120107, 240214, 360321, 720642, 3316801, 6633602, 9950403, 19900806, 43118413, 86236826, 129355239, 258710478]

約数ペア:

[(1, 258710478), (2, 129355239), (3, 86236826), (6, 43118413), (13, 19900806), (26, 9950403), (39, 6633602), (78, 3316801), (359, 720642), (718, 360321), (1077, 240214), (2154, 120107), (4667, 55434), (9239, 28002), (9334, 27717), (14001, 18478)]