1211815895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 1547251200

約数和(自身を除く): 335435305

約数列:

[1, 5, 29, 43, 145, 215, 263, 739, 1247, 1315, 3695, 6235, 7627, 11309, 21431, 31777, 38135, 56545, 107155, 158885, 194357, 327961, 921533, 971785, 1639805, 4607665, 5636353, 8357351, 28181765, 41786755, 242363179, 1211815895]

約数ペア:

[(1, 1211815895), (5, 242363179), (29, 41786755), (43, 28181765), (145, 8357351), (215, 5636353), (263, 4607665), (739, 1639805), (1247, 971785), (1315, 921533), (3695, 327961), (6235, 194357), (7627, 158885), (11309, 107155), (21431, 56545), (31777, 38135)]