257872566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{4129}}^1$

素因数の和:5628

約数の個数: 32

約数和(自身を含む): 589962240

約数和(自身を除く): 332089674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1487, 2974, 4129, 4461, 8258, 8922, 10409, 12387, 20818, 24774, 28903, 31227, 57806, 62454, 86709, 173418, 6139823, 12279646, 18419469, 36838938, 42978761, 85957522, 128936283, 257872566]

約数ペア:

[(1, 257872566), (2, 128936283), (3, 85957522), (6, 42978761), (7, 36838938), (14, 18419469), (21, 12279646), (42, 6139823), (1487, 173418), (2974, 86709), (4129, 62454), (4461, 57806), (8258, 31227), (8922, 28903), (10409, 24774), (12387, 20818)]