1238913295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 1565835264

約数和(自身を除く): 326921969

約数列:

[1, 5, 31, 73, 155, 223, 365, 491, 1115, 2263, 2455, 6913, 11315, 15221, 16279, 34565, 35843, 76105, 81395, 109493, 179215, 504649, 547465, 1111133, 2523245, 3394283, 5555665, 7992989, 16971415, 39964945, 247782659, 1238913295]

約数ペア:

[(1, 1238913295), (5, 247782659), (31, 39964945), (73, 16971415), (155, 7992989), (223, 5555665), (365, 3394283), (491, 2523245), (1115, 1111133), (2263, 547465), (2455, 504649), (6913, 179215), (11315, 109493), (15221, 81395), (16279, 76105), (34565, 35843)]