213976818

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 530509824

約数和(自身を除く): 316533006

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 71, 93, 99, 142, 186, 198, 213, 279, 341, 426, 491, 558, 639, 682, 781, 982, 1023, 1278, 1473, 1562, 2046, 2201, 2343, 2946, 3069, 4402, 4419, 4686, 5401, 6138, 6603, 7029, 8838, 10802, 13206, 14058, 15221, 16203, 19809, 24211, 30442, 32406, 34861, 39618, 45663, 48422, 48609, 69722, 72633, 91326, 97218, 104583, 136989, 145266, 167431, 209166, 217899, 273978, 313749, 334862, 383471, 435798, 502293, 627498, 766942, 1004586, 1080691, 1150413, 1506879, 2161382, 2300826, 3013758, 3242073, 3451239, 6484146, 6902478, 9726219, 11887601, 19452438, 23775202, 35662803, 71325606, 106988409, 213976818]

約数ペア:

[(1, 213976818), (2, 106988409), (3, 71325606), (6, 35662803), (9, 23775202), (11, 19452438), (18, 11887601), (22, 9726219), (31, 6902478), (33, 6484146), (62, 3451239), (66, 3242073), (71, 3013758), (93, 2300826), (99, 2161382), (142, 1506879), (186, 1150413), (198, 1080691), (213, 1004586), (279, 766942), (341, 627498), (426, 502293), (491, 435798), (558, 383471), (639, 334862), (682, 313749), (781, 273978), (982, 217899), (1023, 209166), (1278, 167431), (1473, 145266), (1562, 136989), (2046, 104583), (2201, 97218), (2343, 91326), (2946, 72633), (3069, 69722), (4402, 48609), (4419, 48422), (4686, 45663), (5401, 39618), (6138, 34861), (6603, 32406), (7029, 30442), (8838, 24211), (10802, 19809), (13206, 16203), (14058, 15221)]