161906388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1461

約数の個数: 72

約数和(自身を含む): 441760032

約数和(自身を除く): 279853644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 227, 294, 454, 588, 681, 908, 1213, 1362, 1589, 2426, 2724, 3178, 3639, 4767, 4852, 6356, 7278, 8491, 9534, 11123, 14556, 16982, 19068, 22246, 25473, 33369, 33964, 44492, 50946, 59437, 66738, 101892, 118874, 133476, 178311, 237748, 275351, 356622, 550702, 713244, 826053, 1101404, 1652106, 1927457, 3304212, 3854914, 5782371, 7709828, 11564742, 13492199, 23129484, 26984398, 40476597, 53968796, 80953194, 161906388]

約数ペア:

[(1, 161906388), (2, 80953194), (3, 53968796), (4, 40476597), (6, 26984398), (7, 23129484), (12, 13492199), (14, 11564742), (21, 7709828), (28, 5782371), (42, 3854914), (49, 3304212), (84, 1927457), (98, 1652106), (147, 1101404), (196, 826053), (227, 713244), (294, 550702), (454, 356622), (588, 275351), (681, 237748), (908, 178311), (1213, 133476), (1362, 118874), (1589, 101892), (2426, 66738), (2724, 59437), (3178, 50946), (3639, 44492), (4767, 33964), (4852, 33369), (6356, 25473), (7278, 22246), (8491, 19068), (9534, 16982), (11123, 14556)]