256250904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117331}}^1$

素因数の和:117360

約数の個数: 64

約数和(自身を含む): 788471040

約数和(自身を除く): 532220136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 117331, 234662, 351993, 469324, 703986, 821317, 938648, 1407972, 1525303, 1642634, 2463951, 2815944, 3050606, 3285268, 4575909, 4927902, 6101212, 6570536, 9151818, 9855804, 10677121, 12202424, 18303636, 19711608, 21354242, 32031363, 36607272, 42708484, 64062726, 85416968, 128125452, 256250904]

約数ペア:

[(1, 256250904), (2, 128125452), (3, 85416968), (4, 64062726), (6, 42708484), (7, 36607272), (8, 32031363), (12, 21354242), (13, 19711608), (14, 18303636), (21, 12202424), (24, 10677121), (26, 9855804), (28, 9151818), (39, 6570536), (42, 6101212), (52, 4927902), (56, 4575909), (78, 3285268), (84, 3050606), (91, 2815944), (104, 2463951), (156, 1642634), (168, 1525303), (182, 1407972), (273, 938648), (312, 821317), (364, 703986), (546, 469324), (728, 351993), (1092, 234662), (2184, 117331)]