387826621

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 513886464

約数和(自身を除く): 126059843

約数列:

[1, 7, 13, 23, 49, 91, 103, 161, 257, 299, 637, 721, 1127, 1339, 1799, 2093, 2369, 3341, 5047, 5911, 9373, 12593, 14651, 16583, 23387, 26471, 30797, 41377, 65611, 76843, 116081, 163709, 185297, 215579, 289639, 344123, 537901, 608833, 1297079, 1509053, 2408861, 3765307, 4261831, 7914829, 16862027, 29832817, 55403803, 387826621]

約数ペア:

[(1, 387826621), (7, 55403803), (13, 29832817), (23, 16862027), (49, 7914829), (91, 4261831), (103, 3765307), (161, 2408861), (257, 1509053), (299, 1297079), (637, 608833), (721, 537901), (1127, 344123), (1339, 289639), (1799, 215579), (2093, 185297), (2369, 163709), (3341, 116081), (5047, 76843), (5911, 65611), (9373, 41377), (12593, 30797), (14651, 26471), (16583, 23387)]