397078576

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{811}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 782949888

約数和(自身を除く): 385871312

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 431, 568, 811, 862, 1136, 1622, 1724, 3244, 3448, 6488, 6896, 12976, 30601, 57581, 61202, 115162, 122404, 230324, 244808, 349541, 460648, 489616, 699082, 921296, 1398164, 2796328, 5592656, 24817411, 49634822, 99269644, 198539288, 397078576]

約数ペア:

[(1, 397078576), (2, 198539288), (4, 99269644), (8, 49634822), (16, 24817411), (71, 5592656), (142, 2796328), (284, 1398164), (431, 921296), (568, 699082), (811, 489616), (862, 460648), (1136, 349541), (1622, 244808), (1724, 230324), (3244, 122404), (3448, 115162), (6488, 61202), (6896, 57581), (12976, 30601)]