256645896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20063}}^1$

素因数の和:20126

約数の個数: 64

約数和(自身を含む): 707857920

約数和(自身を除く): 451212024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 2132, 3198, 4264, 6396, 12792, 20063, 40126, 60189, 80252, 120378, 160504, 240756, 260819, 481512, 521638, 782457, 822583, 1043276, 1564914, 1645166, 2086552, 2467749, 3129828, 3290332, 4935498, 6259656, 6580664, 9870996, 10693579, 19741992, 21387158, 32080737, 42774316, 64161474, 85548632, 128322948, 256645896]

約数ペア:

[(1, 256645896), (2, 128322948), (3, 85548632), (4, 64161474), (6, 42774316), (8, 32080737), (12, 21387158), (13, 19741992), (24, 10693579), (26, 9870996), (39, 6580664), (41, 6259656), (52, 4935498), (78, 3290332), (82, 3129828), (104, 2467749), (123, 2086552), (156, 1645166), (164, 1564914), (246, 1043276), (312, 822583), (328, 782457), (492, 521638), (533, 481512), (984, 260819), (1066, 240756), (1599, 160504), (2132, 120378), (3198, 80252), (4264, 60189), (6396, 40126), (12792, 20063)]