281389446

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{3917}}^1$

素因数の和:4245

約数の個数: 48

約数和(自身を含む): 658882224

約数和(自身を除く): 377492778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 307, 614, 921, 1842, 2763, 3917, 3991, 5526, 7834, 7982, 11751, 11973, 23502, 23946, 35253, 35919, 50921, 70506, 71838, 101842, 152763, 305526, 458289, 916578, 1202519, 2405038, 3607557, 7215114, 10822671, 15632747, 21645342, 31265494, 46898241, 93796482, 140694723, 281389446]

約数ペア:

[(1, 281389446), (2, 140694723), (3, 93796482), (6, 46898241), (9, 31265494), (13, 21645342), (18, 15632747), (26, 10822671), (39, 7215114), (78, 3607557), (117, 2405038), (234, 1202519), (307, 916578), (614, 458289), (921, 305526), (1842, 152763), (2763, 101842), (3917, 71838), (3991, 70506), (5526, 50921), (7834, 35919), (7982, 35253), (11751, 23946), (11973, 23502)]