39999674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 78744960

約数和(自身を除く): 38745286

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 247, 286, 323, 374, 418, 433, 442, 494, 646, 866, 2431, 2717, 3553, 4199, 4763, 4862, 5434, 5629, 7106, 7361, 8227, 8398, 9526, 11258, 14722, 16454, 46189, 61919, 80971, 90497, 92378, 95693, 106951, 123838, 139859, 161942, 180994, 191386, 213902, 279718, 1052623, 1176461, 1538449, 1818167, 2105246, 2352922, 3076898, 3636334, 19999837, 39999674]

約数ペア:

[(1, 39999674), (2, 19999837), (11, 3636334), (13, 3076898), (17, 2352922), (19, 2105246), (22, 1818167), (26, 1538449), (34, 1176461), (38, 1052623), (143, 279718), (187, 213902), (209, 191386), (221, 180994), (247, 161942), (286, 139859), (323, 123838), (374, 106951), (418, 95693), (433, 92378), (442, 90497), (494, 80971), (646, 61919), (866, 46189), (2431, 16454), (2717, 14722), (3553, 11258), (4199, 9526), (4763, 8398), (4862, 8227), (5434, 7361), (5629, 7106)]