198728946

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49957}}^1$

素因数の和:49995

約数の個数: 48

約数和(自身を含む): 490987224

約数和(自身を除く): 292258278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 49957, 99914, 149871, 299742, 449613, 649441, 849269, 899226, 1298882, 1698538, 1948323, 2547807, 3896646, 5095614, 5844969, 7643421, 11040497, 11689938, 15286842, 22080994, 33121491, 66242982, 99364473, 198728946]

約数ペア:

[(1, 198728946), (2, 99364473), (3, 66242982), (6, 33121491), (9, 22080994), (13, 15286842), (17, 11689938), (18, 11040497), (26, 7643421), (34, 5844969), (39, 5095614), (51, 3896646), (78, 2547807), (102, 1948323), (117, 1698538), (153, 1298882), (221, 899226), (234, 849269), (306, 649441), (442, 449613), (663, 299742), (1326, 149871), (1989, 99914), (3978, 49957)]