289014985

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 434039040

約数和(自身を除く): 145024055

約数列:

[1, 5, 7, 19, 35, 47, 49, 95, 133, 235, 245, 329, 665, 893, 931, 1321, 1645, 2303, 4465, 4655, 6251, 6605, 9247, 11515, 25099, 31255, 43757, 46235, 62087, 64729, 125495, 175693, 218785, 310435, 323645, 434609, 878465, 1179653, 1229851, 2173045, 3042263, 5898265, 6149255, 8257571, 15211315, 41287855, 57802997, 289014985]

約数ペア:

[(1, 289014985), (5, 57802997), (7, 41287855), (19, 15211315), (35, 8257571), (47, 6149255), (49, 5898265), (95, 3042263), (133, 2173045), (235, 1229851), (245, 1179653), (329, 878465), (665, 434609), (893, 323645), (931, 310435), (1321, 218785), (1645, 175693), (2303, 125495), (4465, 64729), (4655, 62087), (6251, 46235), (6605, 43757), (9247, 31255), (11515, 25099)]