209849354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23669}}^1$

素因数の和:23726

約数の個数: 32

約数和(自身を含む): 381749760

約数和(自身を除く): 171900406

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 4433, 8866, 23669, 47338, 260359, 307697, 520718, 615394, 733739, 1467478, 3384667, 6769334, 8071129, 9538607, 16142258, 19077214, 104924677, 209849354]

約数ペア:

[(1, 209849354), (2, 104924677), (11, 19077214), (13, 16142258), (22, 9538607), (26, 8071129), (31, 6769334), (62, 3384667), (143, 1467478), (286, 733739), (341, 615394), (403, 520718), (682, 307697), (806, 260359), (4433, 47338), (8866, 23669)]