215597788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2239}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 456601600

約数和(自身を除く): 241003812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 181, 266, 362, 532, 724, 1267, 2239, 2534, 3439, 4478, 5068, 6878, 8956, 13756, 15673, 24073, 31346, 42541, 48146, 62692, 85082, 96292, 170164, 297787, 405259, 595574, 810518, 1191148, 1621036, 2836813, 5673626, 7699921, 11347252, 15399842, 30799684, 53899447, 107798894, 215597788]

約数ペア:

[(1, 215597788), (2, 107798894), (4, 53899447), (7, 30799684), (14, 15399842), (19, 11347252), (28, 7699921), (38, 5673626), (76, 2836813), (133, 1621036), (181, 1191148), (266, 810518), (362, 595574), (532, 405259), (724, 297787), (1267, 170164), (2239, 96292), (2534, 85082), (3439, 62692), (4478, 48146), (5068, 42541), (6878, 31346), (8956, 24073), (13756, 15673)]