28292726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 57106944

約数和(自身を除く): 28814218

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 101, 107, 119, 154, 187, 202, 214, 238, 374, 707, 749, 1111, 1177, 1309, 1414, 1498, 1717, 1819, 2222, 2354, 2618, 3434, 3638, 7777, 8239, 10807, 12019, 12733, 15554, 16478, 18887, 20009, 21614, 24038, 25466, 37774, 40018, 75649, 118877, 132209, 140063, 151298, 183719, 237754, 264418, 280126, 367438, 832139, 1286033, 1664278, 2020909, 2572066, 4041818, 14146363, 28292726]

約数ペア:

[(1, 28292726), (2, 14146363), (7, 4041818), (11, 2572066), (14, 2020909), (17, 1664278), (22, 1286033), (34, 832139), (77, 367438), (101, 280126), (107, 264418), (119, 237754), (154, 183719), (187, 151298), (202, 140063), (214, 132209), (238, 118877), (374, 75649), (707, 40018), (749, 37774), (1111, 25466), (1177, 24038), (1309, 21614), (1414, 20009), (1498, 18887), (1717, 16478), (1819, 15554), (2222, 12733), (2354, 12019), (2618, 10807), (3434, 8239), (3638, 7777)]