690811394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 1338494976

約数和(自身を除く): 647683582

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 227, 299, 322, 454, 598, 727, 1454, 1589, 2093, 2951, 3178, 4186, 5089, 5221, 5902, 9451, 10178, 10442, 16721, 18902, 20657, 33442, 36547, 41314, 66157, 67873, 73094, 117047, 132314, 135746, 165029, 217373, 234094, 330058, 434746, 475111, 950222, 1155203, 1521611, 2145377, 2310406, 3043222, 3795667, 4290754, 7591334, 15017639, 26569669, 30035278, 49343671, 53139338, 98687342, 345405697, 690811394]

約数ペア:

[(1, 690811394), (2, 345405697), (7, 98687342), (13, 53139338), (14, 49343671), (23, 30035278), (26, 26569669), (46, 15017639), (91, 7591334), (161, 4290754), (182, 3795667), (227, 3043222), (299, 2310406), (322, 2145377), (454, 1521611), (598, 1155203), (727, 950222), (1454, 475111), (1589, 434746), (2093, 330058), (2951, 234094), (3178, 217373), (4186, 165029), (5089, 135746), (5221, 132314), (5902, 117047), (9451, 73094), (10178, 67873), (10442, 66157), (16721, 41314), (18902, 36547), (20657, 33442)]