400296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 1078560

約数和(自身を除く): 678264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1283, 2566, 3849, 5132, 7698, 10264, 15396, 16679, 30792, 33358, 50037, 66716, 100074, 133432, 200148, 400296]

約数ペア:

[(1, 400296), (2, 200148), (3, 133432), (4, 100074), (6, 66716), (8, 50037), (12, 33358), (13, 30792), (24, 16679), (26, 15396), (39, 10264), (52, 7698), (78, 5132), (104, 3849), (156, 2566), (312, 1283)]