217864218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8251

約数の個数: 64

約数和(自身を含む): 528482304

約数和(自身を除く): 310618086

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 806, 858, 1023, 1209, 2046, 2418, 4433, 8191, 8866, 13299, 16382, 24573, 26598, 49146, 90101, 106483, 180202, 212966, 253921, 270303, 319449, 507842, 540606, 638898, 761763, 1171313, 1523526, 2342626, 2793131, 3300973, 3513939, 5586262, 6601946, 7027878, 8379393, 9902919, 16758786, 19805838, 36310703, 72621406, 108932109, 217864218]

約数ペア:

[(1, 217864218), (2, 108932109), (3, 72621406), (6, 36310703), (11, 19805838), (13, 16758786), (22, 9902919), (26, 8379393), (31, 7027878), (33, 6601946), (39, 5586262), (62, 3513939), (66, 3300973), (78, 2793131), (93, 2342626), (143, 1523526), (186, 1171313), (286, 761763), (341, 638898), (403, 540606), (429, 507842), (682, 319449), (806, 270303), (858, 253921), (1023, 212966), (1209, 180202), (2046, 106483), (2418, 90101), (4433, 49146), (8191, 26598), (8866, 24573), (13299, 16382)]