28730408

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 37313752

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 103, 119, 136, 206, 238, 293, 412, 476, 586, 721, 824, 952, 1172, 1442, 1751, 2051, 2344, 2884, 3502, 4102, 4981, 5768, 7004, 8204, 9962, 12257, 14008, 16408, 19924, 24514, 30179, 34867, 39848, 49028, 60358, 69734, 98056, 120716, 139468, 211253, 241432, 278936, 422506, 513043, 845012, 1026086, 1690024, 2052172, 3591301, 4104344, 7182602, 14365204, 28730408]

約数ペア:

[(1, 28730408), (2, 14365204), (4, 7182602), (7, 4104344), (8, 3591301), (14, 2052172), (17, 1690024), (28, 1026086), (34, 845012), (56, 513043), (68, 422506), (103, 278936), (119, 241432), (136, 211253), (206, 139468), (238, 120716), (293, 98056), (412, 69734), (476, 60358), (586, 49028), (721, 39848), (824, 34867), (952, 30179), (1172, 24514), (1442, 19924), (1751, 16408), (2051, 14008), (2344, 12257), (2884, 9962), (3502, 8204), (4102, 7004), (4981, 5768)]