215288948

素因数分解:

$2^2\times 7^2\times {\mathrm{563}}^1\times {\mathrm{1951}}^1$

素因数の和:2532

約数の個数: 36

約数和(自身を含む): 439270272

約数和(自身を除く): 223981324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 563, 1126, 1951, 2252, 3902, 3941, 7804, 7882, 13657, 15764, 27314, 27587, 54628, 55174, 95599, 110348, 191198, 382396, 1098413, 2196826, 4393652, 7688891, 15377782, 30755564, 53822237, 107644474, 215288948]

約数ペア:

[(1, 215288948), (2, 107644474), (4, 53822237), (7, 30755564), (14, 15377782), (28, 7688891), (49, 4393652), (98, 2196826), (196, 1098413), (563, 382396), (1126, 191198), (1951, 110348), (2252, 95599), (3902, 55174), (3941, 54628), (7804, 27587), (7882, 27314), (13657, 15764)]