1978834

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 3820824

約数和(自身を除く): 1841990

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 37, 74, 121, 143, 187, 221, 242, 286, 374, 407, 442, 481, 629, 814, 962, 1258, 1573, 2057, 2431, 3146, 4114, 4477, 4862, 5291, 6919, 8177, 8954, 10582, 13838, 16354, 26741, 53482, 58201, 76109, 89947, 116402, 152218, 179894, 989417, 1978834]

約数ペア:

[(1, 1978834), (2, 989417), (11, 179894), (13, 152218), (17, 116402), (22, 89947), (26, 76109), (34, 58201), (37, 53482), (74, 26741), (121, 16354), (143, 13838), (187, 10582), (221, 8954), (242, 8177), (286, 6919), (374, 5291), (407, 4862), (442, 4477), (481, 4114), (629, 3146), (814, 2431), (962, 2057), (1258, 1573)]