138507008

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 54

約数和(自身を含む): 286186572

約数和(自身を除く): 147679564

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 563, 961, 992, 1126, 1922, 1984, 2252, 3844, 3968, 4504, 7688, 7936, 9008, 15376, 17453, 18016, 30752, 34906, 36032, 61504, 69812, 72064, 123008, 139624, 144128, 246016, 279248, 541043, 558496, 1082086, 1116992, 2164172, 2233984, 4328344, 4467968, 8656688, 17313376, 34626752, 69253504, 138507008]

約数ペア:

[(1, 138507008), (2, 69253504), (4, 34626752), (8, 17313376), (16, 8656688), (31, 4467968), (32, 4328344), (62, 2233984), (64, 2164172), (124, 1116992), (128, 1082086), (248, 558496), (256, 541043), (496, 279248), (563, 246016), (961, 144128), (992, 139624), (1126, 123008), (1922, 72064), (1984, 69812), (2252, 61504), (3844, 36032), (3968, 34906), (4504, 30752), (7688, 18016), (7936, 17453), (9008, 15376)]