400933136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1318859}}^1$

素因数の和:1318886

約数の個数: 20

約数和(自身を含む): 817693200

約数和(自身を除く): 416760064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1318859, 2637718, 5275436, 10550872, 21101744, 25058321, 50116642, 100233284, 200466568, 400933136]

約数ペア:

[(1, 400933136), (2, 200466568), (4, 100233284), (8, 50116642), (16, 25058321), (19, 21101744), (38, 10550872), (76, 5275436), (152, 2637718), (304, 1318859)]