87771944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 191083200

約数和(自身を除く): 103311256

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 247, 344, 494, 559, 817, 988, 1033, 1118, 1634, 1976, 2066, 2236, 3268, 4132, 4472, 6536, 8264, 10621, 13429, 19627, 21242, 26858, 39254, 42484, 44419, 53716, 78508, 84968, 88838, 107432, 157016, 177676, 255151, 355352, 510302, 577447, 843961, 1020604, 1154894, 1687922, 2041208, 2309788, 3375844, 4619576, 6751688, 10971493, 21942986, 43885972, 87771944]

約数ペア:

[(1, 87771944), (2, 43885972), (4, 21942986), (8, 10971493), (13, 6751688), (19, 4619576), (26, 3375844), (38, 2309788), (43, 2041208), (52, 1687922), (76, 1154894), (86, 1020604), (104, 843961), (152, 577447), (172, 510302), (247, 355352), (344, 255151), (494, 177676), (559, 157016), (817, 107432), (988, 88838), (1033, 84968), (1118, 78508), (1634, 53716), (1976, 44419), (2066, 42484), (2236, 39254), (3268, 26858), (4132, 21242), (4472, 19627), (6536, 13429), (8264, 10621)]