255987984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{761869}}^1$

素因数の和:761887

約数の個数: 40

約数和(自身を含む): 755775040

約数和(自身を除く): 499787056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 761869, 1523738, 2285607, 3047476, 4571214, 5333083, 6094952, 9142428, 10666166, 12189904, 15999249, 18284856, 21332332, 31998498, 36569712, 42664664, 63996996, 85329328, 127993992, 255987984]

約数ペア:

[(1, 255987984), (2, 127993992), (3, 85329328), (4, 63996996), (6, 42664664), (7, 36569712), (8, 31998498), (12, 21332332), (14, 18284856), (16, 15999249), (21, 12189904), (24, 10666166), (28, 9142428), (42, 6094952), (48, 5333083), (56, 4571214), (84, 3047476), (112, 2285607), (168, 1523738), (336, 761869)]