256354696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2377}}^1$

素因数の和:2474

約数の個数: 64

約数和(自身を含む): 557308080

約数和(自身を除く): 300953384

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 793, 884, 1037, 1586, 1768, 2074, 2377, 3172, 4148, 4754, 6344, 8296, 9508, 13481, 19016, 26962, 30901, 40409, 53924, 61802, 80818, 107848, 123604, 144997, 161636, 247208, 289994, 323272, 525317, 579988, 1050634, 1159976, 1884961, 2101268, 2464949, 3769922, 4202536, 4929898, 7539844, 9859796, 15079688, 19719592, 32044337, 64088674, 128177348, 256354696]

約数ペア:

[(1, 256354696), (2, 128177348), (4, 64088674), (8, 32044337), (13, 19719592), (17, 15079688), (26, 9859796), (34, 7539844), (52, 4929898), (61, 4202536), (68, 3769922), (104, 2464949), (122, 2101268), (136, 1884961), (221, 1159976), (244, 1050634), (442, 579988), (488, 525317), (793, 323272), (884, 289994), (1037, 247208), (1586, 161636), (1768, 144997), (2074, 123604), (2377, 107848), (3172, 80818), (4148, 61802), (4754, 53924), (6344, 40409), (8296, 30901), (9508, 26962), (13481, 19016)]