645686206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{3631}}^1$

素因数の和:3840

約数の個数: 32

約数和(自身を含む): 1082626560

約数和(自身を除く): 436940354

約数列:

[1, 2, 11, 22, 59, 118, 137, 274, 649, 1298, 1507, 3014, 3631, 7262, 8083, 16166, 39941, 79882, 88913, 177826, 214229, 428458, 497447, 994894, 2356519, 4713038, 5471917, 10943834, 29349373, 58698746, 322843103, 645686206]

約数ペア:

[(1, 645686206), (2, 322843103), (11, 58698746), (22, 29349373), (59, 10943834), (118, 5471917), (137, 4713038), (274, 2356519), (649, 994894), (1298, 497447), (1507, 428458), (3014, 214229), (3631, 177826), (7262, 88913), (8083, 79882), (16166, 39941)]