213101812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 483822080

約数和(自身を除く): 270720268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 217, 242, 308, 341, 434, 484, 682, 847, 868, 1364, 1694, 2029, 2387, 3388, 3751, 4058, 4774, 7502, 8116, 9548, 14203, 15004, 22319, 26257, 28406, 44638, 52514, 56812, 62899, 89276, 105028, 125798, 156233, 245509, 251596, 312466, 440293, 491018, 624932, 691889, 880586, 982036, 1383778, 1718563, 1761172, 2767556, 3437126, 4843223, 6874252, 7610779, 9686446, 15221558, 19372892, 30443116, 53275453, 106550906, 213101812]

約数ペア:

[(1, 213101812), (2, 106550906), (4, 53275453), (7, 30443116), (11, 19372892), (14, 15221558), (22, 9686446), (28, 7610779), (31, 6874252), (44, 4843223), (62, 3437126), (77, 2767556), (121, 1761172), (124, 1718563), (154, 1383778), (217, 982036), (242, 880586), (308, 691889), (341, 624932), (434, 491018), (484, 440293), (682, 312466), (847, 251596), (868, 245509), (1364, 156233), (1694, 125798), (2029, 105028), (2387, 89276), (3388, 62899), (3751, 56812), (4058, 52514), (4774, 44638), (7502, 28406), (8116, 26257), (9548, 22319), (14203, 15004)]