219173838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 488581632

約数和(自身を除く): 269407794

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 101, 129, 202, 258, 303, 559, 606, 647, 1118, 1294, 1313, 1677, 1941, 2626, 3354, 3882, 3939, 4343, 7878, 8411, 8686, 13029, 16822, 25233, 26058, 27821, 50466, 55642, 56459, 65347, 83463, 112918, 130694, 166926, 169377, 196041, 338754, 361673, 392082, 723346, 849511, 1085019, 1699022, 2170038, 2548533, 2809921, 5097066, 5619842, 8429763, 16859526, 36528973, 73057946, 109586919, 219173838]

約数ペア:

[(1, 219173838), (2, 109586919), (3, 73057946), (6, 36528973), (13, 16859526), (26, 8429763), (39, 5619842), (43, 5097066), (78, 2809921), (86, 2548533), (101, 2170038), (129, 1699022), (202, 1085019), (258, 849511), (303, 723346), (559, 392082), (606, 361673), (647, 338754), (1118, 196041), (1294, 169377), (1313, 166926), (1677, 130694), (1941, 112918), (2626, 83463), (3354, 65347), (3882, 56459), (3939, 55642), (4343, 50466), (7878, 27821), (8411, 26058), (8686, 25233), (13029, 16822)]