28157416

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 61840800

約数和(自身を除く): 33683384

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 179, 212, 358, 371, 424, 716, 742, 1253, 1432, 1484, 2506, 2809, 2968, 5012, 5618, 9487, 10024, 11236, 18974, 19663, 22472, 37948, 39326, 66409, 75896, 78652, 132818, 157304, 265636, 502811, 531272, 1005622, 2011244, 3519677, 4022488, 7039354, 14078708, 28157416]

約数ペア:

[(1, 28157416), (2, 14078708), (4, 7039354), (7, 4022488), (8, 3519677), (14, 2011244), (28, 1005622), (53, 531272), (56, 502811), (106, 265636), (179, 157304), (212, 132818), (358, 78652), (371, 75896), (424, 66409), (716, 39326), (742, 37948), (1253, 22472), (1432, 19663), (1484, 18974), (2506, 11236), (2809, 10024), (2968, 9487), (5012, 5618)]