259973998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 426240000

約数和(自身を除く): 166266002

約数列:

[1, 2, 19, 31, 38, 62, 199, 398, 589, 1109, 1178, 2218, 3781, 6169, 7562, 12338, 21071, 34379, 42142, 68758, 117211, 220691, 234422, 441382, 653201, 1306402, 4193129, 6841421, 8386258, 13682842, 129986999, 259973998]

約数ペア:

[(1, 259973998), (2, 129986999), (19, 13682842), (31, 8386258), (38, 6841421), (62, 4193129), (199, 1306402), (398, 653201), (589, 441382), (1109, 234422), (1178, 220691), (2218, 117211), (3781, 68758), (6169, 42142), (7562, 34379), (12338, 21071)]