721665984

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{289129}}^1$

素因数の和:289157

約数の個数: 56

約数和(自身を含む): 2056292560

約数和(自身を除く): 1334626576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 289129, 578258, 867387, 1156516, 1734774, 2313032, 3469548, 3758677, 4626064, 6939096, 7517354, 9252128, 11276031, 13878192, 15034708, 18504256, 22552062, 27756384, 30069416, 45104124, 55512768, 60138832, 90208248, 120277664, 180416496, 240555328, 360832992, 721665984]

約数ペア:

[(1, 721665984), (2, 360832992), (3, 240555328), (4, 180416496), (6, 120277664), (8, 90208248), (12, 60138832), (13, 55512768), (16, 45104124), (24, 30069416), (26, 27756384), (32, 22552062), (39, 18504256), (48, 15034708), (52, 13878192), (64, 11276031), (78, 9252128), (96, 7517354), (104, 6939096), (156, 4626064), (192, 3758677), (208, 3469548), (312, 2313032), (416, 1734774), (624, 1156516), (832, 867387), (1248, 578258), (2496, 289129)]