15558218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 26342400

約数和(自身を除く): 10784182

約数列:

[1, 2, 13, 26, 31, 62, 97, 194, 199, 398, 403, 806, 1261, 2522, 2587, 3007, 5174, 6014, 6169, 12338, 19303, 38606, 39091, 78182, 80197, 160394, 250939, 501878, 598393, 1196786, 7779109, 15558218]

約数ペア:

[(1, 15558218), (2, 7779109), (13, 1196786), (26, 598393), (31, 501878), (62, 250939), (97, 160394), (194, 80197), (199, 78182), (398, 39091), (403, 38606), (806, 19303), (1261, 12338), (2522, 6169), (2587, 6014), (3007, 5174)]