448672679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 564480000

約数和(自身を除く): 115807321

約数列:

[1, 7, 13, 79, 91, 139, 449, 553, 973, 1027, 1807, 3143, 5837, 7189, 10981, 12649, 35471, 40859, 62411, 76867, 142753, 248297, 436877, 461123, 811343, 999271, 3227861, 4930469, 5679401, 34513283, 64096097, 448672679]

約数ペア:

[(1, 448672679), (7, 64096097), (13, 34513283), (79, 5679401), (91, 4930469), (139, 3227861), (449, 999271), (553, 811343), (973, 461123), (1027, 436877), (1807, 248297), (3143, 142753), (5837, 76867), (7189, 62411), (10981, 40859), (12649, 35471)]