278226728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{10831}}^1$

素因数の和:10882

約数の個数: 48

約数和(自身を含む): 594676800

約数和(自身を除く): 316450072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1352, 1976, 3211, 6422, 10831, 12844, 21662, 25688, 43324, 86648, 140803, 205789, 281606, 411578, 563212, 823156, 1126424, 1646312, 1830439, 2675257, 3660878, 5350514, 7321756, 10701028, 14643512, 21402056, 34778341, 69556682, 139113364, 278226728]

約数ペア:

[(1, 278226728), (2, 139113364), (4, 69556682), (8, 34778341), (13, 21402056), (19, 14643512), (26, 10701028), (38, 7321756), (52, 5350514), (76, 3660878), (104, 2675257), (152, 1830439), (169, 1646312), (247, 1126424), (338, 823156), (494, 563212), (676, 411578), (988, 281606), (1352, 205789), (1976, 140803), (3211, 86648), (6422, 43324), (10831, 25688), (12844, 21662)]