331380456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 977909760

約数和(自身を除く): 646529304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 47, 51, 66, 68, 88, 94, 102, 132, 136, 141, 187, 188, 204, 264, 282, 374, 376, 408, 517, 561, 564, 748, 799, 1034, 1122, 1128, 1496, 1551, 1571, 1598, 2068, 2244, 2397, 3102, 3142, 3196, 4136, 4488, 4713, 4794, 6204, 6284, 6392, 8789, 9426, 9588, 12408, 12568, 17281, 17578, 18852, 19176, 26367, 26707, 34562, 35156, 37704, 51843, 52734, 53414, 69124, 70312, 73837, 80121, 103686, 105468, 106828, 138248, 147674, 160242, 207372, 210936, 213656, 221511, 293777, 295348, 320484, 414744, 443022, 587554, 590696, 640968, 812207, 881331, 886044, 1175108, 1255229, 1624414, 1762662, 1772088, 2350216, 2436621, 2510458, 3248828, 3525324, 3765687, 4873242, 5020916, 6497656, 7050648, 7531374, 9746484, 10041832, 13807519, 15062748, 19492968, 27615038, 30125496, 41422557, 55230076, 82845114, 110460152, 165690228, 331380456]

約数ペア:

[(1, 331380456), (2, 165690228), (3, 110460152), (4, 82845114), (6, 55230076), (8, 41422557), (11, 30125496), (12, 27615038), (17, 19492968), (22, 15062748), (24, 13807519), (33, 10041832), (34, 9746484), (44, 7531374), (47, 7050648), (51, 6497656), (66, 5020916), (68, 4873242), (88, 3765687), (94, 3525324), (102, 3248828), (132, 2510458), (136, 2436621), (141, 2350216), (187, 1772088), (188, 1762662), (204, 1624414), (264, 1255229), (282, 1175108), (374, 886044), (376, 881331), (408, 812207), (517, 640968), (561, 590696), (564, 587554), (748, 443022), (799, 414744), (1034, 320484), (1122, 295348), (1128, 293777), (1496, 221511), (1551, 213656), (1571, 210936), (1598, 207372), (2068, 160242), (2244, 147674), (2397, 138248), (3102, 106828), (3142, 105468), (3196, 103686), (4136, 80121), (4488, 73837), (4713, 70312), (4794, 69124), (6204, 53414), (6284, 52734), (6392, 51843), (8789, 37704), (9426, 35156), (9588, 34562), (12408, 26707), (12568, 26367), (17281, 19176), (17578, 18852)]