256171819974

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{3364219}}^1$

素因数の和:3364282

約数の個数: 64

約数和(自身を含む): 613633728000

約数和(自身を除く): 357461908026

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 343, 518, 686, 777, 1029, 1554, 1813, 2058, 3626, 5439, 10878, 12691, 25382, 38073, 76146, 3364219, 6728438, 10092657, 20185314, 23549533, 47099066, 70648599, 124476103, 141297198, 164846731, 248952206, 329693462, 373428309, 494540193, 746856618, 871332721, 989080386, 1153927117, 1742665442, 2307854234, 2613998163, 3461781351, 5227996326, 6099329047, 6923562702, 12198658094, 18297987141, 36595974282, 42695303329, 85390606658, 128085909987, 256171819974]

約数ペア:

[(1, 256171819974), (2, 128085909987), (3, 85390606658), (6, 42695303329), (7, 36595974282), (14, 18297987141), (21, 12198658094), (37, 6923562702), (42, 6099329047), (49, 5227996326), (74, 3461781351), (98, 2613998163), (111, 2307854234), (147, 1742665442), (222, 1153927117), (259, 989080386), (294, 871332721), (343, 746856618), (518, 494540193), (686, 373428309), (777, 329693462), (1029, 248952206), (1554, 164846731), (1813, 141297198), (2058, 124476103), (3626, 70648599), (5439, 47099066), (10878, 23549533), (12691, 20185314), (25382, 10092657), (38073, 6728438), (76146, 3364219)]