890242562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{15727}}^1$

素因数の和:15854

約数の個数: 32

約数和(自身を含む): 1521967104

約数和(自身を除く): 631724542

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 682, 913, 1826, 2573, 5146, 15727, 28303, 31454, 56606, 172997, 345994, 487537, 975074, 1305341, 2610682, 5362907, 10725814, 14358751, 28717502, 40465571, 80931142, 445121281, 890242562]

約数ペア:

[(1, 890242562), (2, 445121281), (11, 80931142), (22, 40465571), (31, 28717502), (62, 14358751), (83, 10725814), (166, 5362907), (341, 2610682), (682, 1305341), (913, 975074), (1826, 487537), (2573, 345994), (5146, 172997), (15727, 56606), (28303, 31454)]