28207816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38747}}^1$

素因数の和:38773

約数の個数: 32

約数和(自身を含む): 65096640

約数和(自身を除く): 36888824

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38747, 77494, 154988, 271229, 309976, 503711, 542458, 1007422, 1084916, 2014844, 2169832, 3525977, 4029688, 7051954, 14103908, 28207816]

約数ペア:

[(1, 28207816), (2, 14103908), (4, 7051954), (7, 4029688), (8, 3525977), (13, 2169832), (14, 2014844), (26, 1084916), (28, 1007422), (52, 542458), (56, 503711), (91, 309976), (104, 271229), (182, 154988), (364, 77494), (728, 38747)]