13772815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 6387185

約数列:

[1, 5, 7, 19, 35, 95, 133, 139, 149, 665, 695, 745, 973, 1043, 2641, 2831, 4865, 5215, 13205, 14155, 18487, 19817, 20711, 92435, 99085, 103555, 144977, 393509, 724885, 1967545, 2754563, 13772815]

約数ペア:

[(1, 13772815), (5, 2754563), (7, 1967545), (19, 724885), (35, 393509), (95, 144977), (133, 103555), (139, 99085), (149, 92435), (665, 20711), (695, 19817), (745, 18487), (973, 14155), (1043, 13205), (2641, 5215), (2831, 4865)]