1392270505

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 1885401360

約数和(自身を除く): 493130855

約数列:

[1, 5, 17, 19, 85, 95, 157, 289, 323, 361, 785, 1445, 1615, 1805, 2669, 2983, 4913, 5491, 6137, 13345, 14915, 24565, 27455, 30685, 45373, 50711, 56677, 93347, 104329, 226865, 253555, 283385, 466735, 521645, 771341, 862087, 963509, 1773593, 3856705, 4310435, 4817545, 8867965, 14655479, 16379653, 73277395, 81898265, 278454101, 1392270505]

約数ペア:

[(1, 1392270505), (5, 278454101), (17, 81898265), (19, 73277395), (85, 16379653), (95, 14655479), (157, 8867965), (289, 4817545), (323, 4310435), (361, 3856705), (785, 1773593), (1445, 963509), (1615, 862087), (1805, 771341), (2669, 521645), (2983, 466735), (4913, 283385), (5491, 253555), (6137, 226865), (13345, 104329), (14915, 93347), (24565, 56677), (27455, 50711), (30685, 45373)]