28747306

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 54419904

約数和(自身を除く): 25672598

約数列:

[1, 2, 7, 14, 17, 34, 43, 53, 86, 106, 119, 238, 301, 371, 602, 731, 742, 901, 1462, 1802, 2279, 2809, 4558, 5117, 5618, 6307, 10234, 12614, 15953, 19663, 31906, 38743, 39326, 47753, 77486, 95506, 120787, 241574, 271201, 334271, 542402, 668542, 845509, 1691018, 2053379, 4106758, 14373653, 28747306]

約数ペア:

[(1, 28747306), (2, 14373653), (7, 4106758), (14, 2053379), (17, 1691018), (34, 845509), (43, 668542), (53, 542402), (86, 334271), (106, 271201), (119, 241574), (238, 120787), (301, 95506), (371, 77486), (602, 47753), (731, 39326), (742, 38743), (901, 31906), (1462, 19663), (1802, 15953), (2279, 12614), (2809, 10234), (4558, 6307), (5117, 5618)]