38887888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 86550016

約数和(自身を除く): 47662128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 163, 208, 248, 296, 326, 403, 481, 496, 592, 652, 806, 962, 1147, 1304, 1612, 1924, 2119, 2294, 2608, 3224, 3848, 4238, 4588, 5053, 6031, 6448, 7696, 8476, 9176, 10106, 12062, 14911, 16952, 18352, 20212, 24124, 29822, 33904, 40424, 48248, 59644, 65689, 78403, 80848, 96496, 119288, 131378, 156806, 186961, 238576, 262756, 313612, 373922, 525512, 627224, 747844, 1051024, 1254448, 1495688, 2430493, 2991376, 4860986, 9721972, 19443944, 38887888]

約数ペア:

[(1, 38887888), (2, 19443944), (4, 9721972), (8, 4860986), (13, 2991376), (16, 2430493), (26, 1495688), (31, 1254448), (37, 1051024), (52, 747844), (62, 627224), (74, 525512), (104, 373922), (124, 313612), (148, 262756), (163, 238576), (208, 186961), (248, 156806), (296, 131378), (326, 119288), (403, 96496), (481, 80848), (496, 78403), (592, 65689), (652, 59644), (806, 48248), (962, 40424), (1147, 33904), (1304, 29822), (1612, 24124), (1924, 20212), (2119, 18352), (2294, 16952), (2608, 14911), (3224, 12062), (3848, 10106), (4238, 9176), (4588, 8476), (5053, 7696), (6031, 6448)]