401008355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 538057728

約数和(自身を除く): 137049373

約数列:

[1, 5, 11, 55, 71, 103, 355, 515, 781, 997, 1133, 3905, 4985, 5665, 7313, 10967, 36565, 54835, 70787, 80443, 102691, 353935, 402215, 513455, 778657, 1129601, 3893285, 5648005, 7291061, 36455305, 80201671, 401008355]

約数ペア:

[(1, 401008355), (5, 80201671), (11, 36455305), (55, 7291061), (71, 5648005), (103, 3893285), (355, 1129601), (515, 778657), (781, 513455), (997, 402215), (1133, 353935), (3905, 102691), (4985, 80443), (5665, 70787), (7313, 54835), (10967, 36565)]