213873712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 472469760

約数和(自身を除く): 258596048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 809, 1066, 1271, 1612, 1618, 2132, 2542, 3224, 3236, 4264, 5084, 6448, 6472, 8528, 10168, 10517, 12944, 16523, 20336, 21034, 25079, 33046, 33169, 42068, 50158, 66092, 66338, 84136, 100316, 132184, 132676, 168272, 200632, 264368, 265352, 326027, 401264, 431197, 530704, 652054, 862394, 1028239, 1304108, 1724788, 2056478, 2608216, 3449576, 4112956, 5216432, 6899152, 8225912, 13367107, 16451824, 26734214, 53468428, 106936856, 213873712]

約数ペア:

[(1, 213873712), (2, 106936856), (4, 53468428), (8, 26734214), (13, 16451824), (16, 13367107), (26, 8225912), (31, 6899152), (41, 5216432), (52, 4112956), (62, 3449576), (82, 2608216), (104, 2056478), (124, 1724788), (164, 1304108), (208, 1028239), (248, 862394), (328, 652054), (403, 530704), (496, 431197), (533, 401264), (656, 326027), (806, 265352), (809, 264368), (1066, 200632), (1271, 168272), (1612, 132676), (1618, 132184), (2132, 100316), (2542, 84136), (3224, 66338), (3236, 66092), (4264, 50158), (5084, 42068), (6448, 33169), (6472, 33046), (8528, 25079), (10168, 21034), (10517, 20336), (12944, 16523)]