31427526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 72612288

約数和(自身を除く): 41184762

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 137, 173, 221, 274, 346, 411, 442, 519, 663, 822, 1038, 1326, 1781, 2249, 2329, 2941, 3562, 4498, 4658, 5343, 5882, 6747, 6987, 8823, 10686, 13494, 13974, 17646, 23701, 30277, 38233, 47402, 60554, 71103, 76466, 90831, 114699, 142206, 181662, 229398, 308113, 402917, 616226, 805834, 924339, 1208751, 1848678, 2417502, 5237921, 10475842, 15713763, 31427526]

約数ペア:

[(1, 31427526), (2, 15713763), (3, 10475842), (6, 5237921), (13, 2417502), (17, 1848678), (26, 1208751), (34, 924339), (39, 805834), (51, 616226), (78, 402917), (102, 308113), (137, 229398), (173, 181662), (221, 142206), (274, 114699), (346, 90831), (411, 76466), (442, 71103), (519, 60554), (663, 47402), (822, 38233), (1038, 30277), (1326, 23701), (1781, 17646), (2249, 13974), (2329, 13494), (2941, 10686), (3562, 8823), (4498, 6987), (4658, 6747), (5343, 5882)]