28565446

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 55996416

約数和(自身を除く): 27430970

約数列:

[1, 2, 7, 13, 14, 26, 31, 61, 62, 83, 91, 122, 166, 182, 217, 403, 427, 434, 581, 793, 806, 854, 1079, 1162, 1586, 1891, 2158, 2573, 2821, 3782, 5063, 5146, 5551, 5642, 7553, 10126, 11102, 13237, 15106, 18011, 24583, 26474, 33449, 35441, 36022, 49166, 65819, 66898, 70882, 131638, 156953, 172081, 234143, 313906, 344162, 460733, 468286, 921466, 1098671, 2040389, 2197342, 4080778, 14282723, 28565446]

約数ペア:

[(1, 28565446), (2, 14282723), (7, 4080778), (13, 2197342), (14, 2040389), (26, 1098671), (31, 921466), (61, 468286), (62, 460733), (83, 344162), (91, 313906), (122, 234143), (166, 172081), (182, 156953), (217, 131638), (403, 70882), (427, 66898), (434, 65819), (581, 49166), (793, 36022), (806, 35441), (854, 33449), (1079, 26474), (1162, 24583), (1586, 18011), (1891, 15106), (2158, 13237), (2573, 11102), (2821, 10126), (3782, 7553), (5063, 5642), (5146, 5551)]