212950749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 337379328

約数和(自身を除く): 124428579

約数列:

[1, 3, 11, 31, 33, 43, 47, 93, 103, 129, 141, 309, 341, 473, 517, 1023, 1133, 1333, 1419, 1457, 1551, 2021, 3193, 3399, 3999, 4371, 4429, 4841, 6063, 9579, 13287, 14523, 14663, 16027, 22231, 35123, 43989, 48081, 48719, 53251, 62651, 66693, 105369, 137299, 146157, 150071, 159753, 187953, 208163, 411897, 450213, 624489, 689161, 1510289, 1650781, 2067483, 2289793, 4530867, 4952343, 6453053, 6869379, 19359159, 70983583, 212950749]

約数ペア:

[(1, 212950749), (3, 70983583), (11, 19359159), (31, 6869379), (33, 6453053), (43, 4952343), (47, 4530867), (93, 2289793), (103, 2067483), (129, 1650781), (141, 1510289), (309, 689161), (341, 624489), (473, 450213), (517, 411897), (1023, 208163), (1133, 187953), (1333, 159753), (1419, 150071), (1457, 146157), (1551, 137299), (2021, 105369), (3193, 66693), (3399, 62651), (3999, 53251), (4371, 48719), (4429, 48081), (4841, 43989), (6063, 35123), (9579, 22231), (13287, 16027), (14523, 14663)]