1287788008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3491}}^1\times {\mathrm{3547}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 2601819360

約数和(自身を除く): 1314031352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3491, 3547, 6982, 7094, 13964, 14188, 27928, 28376, 45383, 46111, 90766, 92222, 181532, 184444, 363064, 368888, 12382577, 24765154, 49530308, 99060616, 160973501, 321947002, 643894004, 1287788008]

約数ペア:

[(1, 1287788008), (2, 643894004), (4, 321947002), (8, 160973501), (13, 99060616), (26, 49530308), (52, 24765154), (104, 12382577), (3491, 368888), (3547, 363064), (6982, 184444), (7094, 181532), (13964, 92222), (14188, 90766), (27928, 46111), (28376, 45383)]