857776276

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 1849309056

約数和(自身を除く): 991532780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 289, 476, 497, 578, 994, 1156, 1207, 1493, 1988, 2023, 2414, 2986, 4046, 4828, 5972, 8092, 8449, 10451, 16898, 20519, 20902, 25381, 33796, 41038, 41804, 50762, 82076, 101524, 106003, 143633, 177667, 212006, 287266, 355334, 424012, 431477, 574532, 710668, 742021, 862954, 1484042, 1725908, 1802051, 2968084, 3020339, 3604102, 6040678, 7208204, 12081356, 12614357, 25228714, 30634867, 50457428, 61269734, 122539468, 214444069, 428888138, 857776276]

約数ペア:

[(1, 857776276), (2, 428888138), (4, 214444069), (7, 122539468), (14, 61269734), (17, 50457428), (28, 30634867), (34, 25228714), (68, 12614357), (71, 12081356), (119, 7208204), (142, 6040678), (238, 3604102), (284, 3020339), (289, 2968084), (476, 1802051), (497, 1725908), (578, 1484042), (994, 862954), (1156, 742021), (1207, 710668), (1493, 574532), (1988, 431477), (2023, 424012), (2414, 355334), (2986, 287266), (4046, 212006), (4828, 177667), (5972, 143633), (8092, 106003), (8449, 101524), (10451, 82076), (16898, 50762), (20519, 41804), (20902, 41038), (25381, 33796)]