15381394

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 28498176

約数和(自身を除く): 13116782

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 83, 98, 122, 166, 217, 427, 434, 581, 854, 1162, 1519, 1891, 2573, 2989, 3038, 3782, 4067, 5063, 5146, 5978, 8134, 10126, 13237, 18011, 26474, 35441, 36022, 70882, 92659, 126077, 156953, 185318, 248087, 252154, 313906, 496174, 1098671, 2197342, 7690697, 15381394]

約数ペア:

[(1, 15381394), (2, 7690697), (7, 2197342), (14, 1098671), (31, 496174), (49, 313906), (61, 252154), (62, 248087), (83, 185318), (98, 156953), (122, 126077), (166, 92659), (217, 70882), (427, 36022), (434, 35441), (581, 26474), (854, 18011), (1162, 13237), (1519, 10126), (1891, 8134), (2573, 5978), (2989, 5146), (3038, 5063), (3782, 4067)]