290942522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 515579904

約数和(自身を除く): 224637382

約数列:

[1, 2, 13, 17, 26, 34, 71, 73, 127, 142, 146, 221, 254, 442, 923, 949, 1207, 1241, 1651, 1846, 1898, 2159, 2414, 2482, 3302, 4318, 5183, 9017, 9271, 10366, 15691, 16133, 18034, 18542, 28067, 31382, 32266, 56134, 67379, 88111, 117221, 120523, 134758, 153289, 157607, 176222, 234442, 241046, 306578, 315214, 658241, 1145443, 1316482, 1992757, 2048891, 2290886, 3985514, 4097782, 8557133, 11190097, 17114266, 22380194, 145471261, 290942522]

約数ペア:

[(1, 290942522), (2, 145471261), (13, 22380194), (17, 17114266), (26, 11190097), (34, 8557133), (71, 4097782), (73, 3985514), (127, 2290886), (142, 2048891), (146, 1992757), (221, 1316482), (254, 1145443), (442, 658241), (923, 315214), (949, 306578), (1207, 241046), (1241, 234442), (1651, 176222), (1846, 157607), (1898, 153289), (2159, 134758), (2414, 120523), (2482, 117221), (3302, 88111), (4318, 67379), (5183, 56134), (9017, 32266), (9271, 31382), (10366, 28067), (15691, 18542), (16133, 18034)]