209216458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 370262016

約数和(自身を除く): 161045558

約数列:

[1, 2, 11, 22, 31, 47, 61, 62, 94, 107, 122, 214, 341, 517, 671, 682, 1034, 1177, 1342, 1457, 1891, 2354, 2867, 2914, 3317, 3782, 5029, 5734, 6527, 6634, 10058, 13054, 16027, 20801, 31537, 32054, 36487, 41602, 55319, 63074, 71797, 72974, 88877, 110638, 143594, 155899, 177754, 202337, 306769, 311798, 404674, 613538, 977647, 1714889, 1955294, 2225707, 3374459, 3429778, 4451414, 6748918, 9509839, 19019678, 104608229, 209216458]

約数ペア:

[(1, 209216458), (2, 104608229), (11, 19019678), (22, 9509839), (31, 6748918), (47, 4451414), (61, 3429778), (62, 3374459), (94, 2225707), (107, 1955294), (122, 1714889), (214, 977647), (341, 613538), (517, 404674), (671, 311798), (682, 306769), (1034, 202337), (1177, 177754), (1342, 155899), (1457, 143594), (1891, 110638), (2354, 88877), (2867, 72974), (2914, 71797), (3317, 63074), (3782, 55319), (5029, 41602), (5734, 36487), (6527, 32054), (6634, 31537), (10058, 20801), (13054, 16027)]