641021736

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 1626019200

約数和(自身を除く): 984997464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 257, 309, 412, 514, 618, 771, 824, 1009, 1028, 1236, 1542, 2018, 2056, 2472, 3027, 3084, 4036, 6054, 6168, 8072, 12108, 24216, 26471, 52942, 79413, 103927, 105884, 158826, 207854, 211768, 259313, 311781, 317652, 415708, 518626, 623562, 635304, 777939, 831416, 1037252, 1247124, 1555878, 2074504, 2494248, 3111756, 6223512, 26709239, 53418478, 80127717, 106836956, 160255434, 213673912, 320510868, 641021736]

約数ペア:

[(1, 641021736), (2, 320510868), (3, 213673912), (4, 160255434), (6, 106836956), (8, 80127717), (12, 53418478), (24, 26709239), (103, 6223512), (206, 3111756), (257, 2494248), (309, 2074504), (412, 1555878), (514, 1247124), (618, 1037252), (771, 831416), (824, 777939), (1009, 635304), (1028, 623562), (1236, 518626), (1542, 415708), (2018, 317652), (2056, 311781), (2472, 259313), (3027, 211768), (3084, 207854), (4036, 158826), (6054, 105884), (6168, 103927), (8072, 79413), (12108, 52942), (24216, 26471)]