490693593

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 778643712

約数和(自身を除く): 287950119

約数列:

[1, 3, 13, 17, 37, 39, 51, 83, 111, 221, 241, 249, 481, 629, 663, 723, 1079, 1411, 1443, 1887, 3071, 3133, 3237, 4097, 4233, 8177, 8917, 9213, 9399, 12291, 18343, 20003, 24531, 26751, 39923, 52207, 53261, 55029, 60009, 115921, 119769, 151589, 156621, 159783, 260039, 340051, 347763, 454767, 678691, 740111, 780117, 1020153, 1970657, 2036073, 2220333, 4420663, 5911971, 9621443, 12581887, 13261989, 28864329, 37745661, 163564531, 490693593]

約数ペア:

[(1, 490693593), (3, 163564531), (13, 37745661), (17, 28864329), (37, 13261989), (39, 12581887), (51, 9621443), (83, 5911971), (111, 4420663), (221, 2220333), (241, 2036073), (249, 1970657), (481, 1020153), (629, 780117), (663, 740111), (723, 678691), (1079, 454767), (1411, 347763), (1443, 340051), (1887, 260039), (3071, 159783), (3133, 156621), (3237, 151589), (4097, 119769), (4233, 115921), (8177, 60009), (8917, 55029), (9213, 53261), (9399, 52207), (12291, 39923), (18343, 26751), (20003, 24531)]