28651766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 26215690

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 71, 83, 142, 143, 166, 187, 221, 286, 374, 442, 781, 913, 923, 1079, 1207, 1411, 1562, 1826, 1846, 2158, 2414, 2431, 2822, 4862, 5893, 10153, 11786, 11869, 13277, 15521, 15691, 18343, 20306, 23738, 26554, 31042, 31382, 36686, 64823, 76609, 100181, 129646, 153218, 172601, 200362, 201773, 345202, 403546, 842699, 1101991, 1302353, 1685398, 2203982, 2604706, 14325883, 28651766]

約数ペア:

[(1, 28651766), (2, 14325883), (11, 2604706), (13, 2203982), (17, 1685398), (22, 1302353), (26, 1101991), (34, 842699), (71, 403546), (83, 345202), (142, 201773), (143, 200362), (166, 172601), (187, 153218), (221, 129646), (286, 100181), (374, 76609), (442, 64823), (781, 36686), (913, 31382), (923, 31042), (1079, 26554), (1207, 23738), (1411, 20306), (1562, 18343), (1826, 15691), (1846, 15521), (2158, 13277), (2414, 11869), (2431, 11786), (2822, 10153), (4862, 5893)]