28045668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 77651392

約数和(自身を除く): 49605724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 397, 406, 609, 794, 812, 841, 1191, 1218, 1588, 1682, 2382, 2436, 2523, 2779, 3364, 4764, 5046, 5558, 5887, 8337, 10092, 11116, 11513, 11774, 16674, 17661, 23026, 23548, 33348, 34539, 35322, 46052, 69078, 70644, 80591, 138156, 161182, 241773, 322364, 333877, 483546, 667754, 967092, 1001631, 1335508, 2003262, 2337139, 4006524, 4674278, 7011417, 9348556, 14022834, 28045668]

約数ペア:

[(1, 28045668), (2, 14022834), (3, 9348556), (4, 7011417), (6, 4674278), (7, 4006524), (12, 2337139), (14, 2003262), (21, 1335508), (28, 1001631), (29, 967092), (42, 667754), (58, 483546), (84, 333877), (87, 322364), (116, 241773), (174, 161182), (203, 138156), (348, 80591), (397, 70644), (406, 69078), (609, 46052), (794, 35322), (812, 34539), (841, 33348), (1191, 23548), (1218, 23026), (1588, 17661), (1682, 16674), (2382, 11774), (2436, 11513), (2523, 11116), (2779, 10092), (3364, 8337), (4764, 5887), (5046, 5558)]