642364346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1715

約数の個数: 48

約数和(自身を含む): 1123789464

約数和(自身を除く): 481425118

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 289, 442, 578, 689, 901, 1378, 1613, 1802, 3226, 3757, 7514, 11713, 15317, 20969, 23426, 27421, 30634, 41938, 54842, 85489, 170978, 199121, 356473, 398242, 466157, 712946, 932314, 1111357, 1453313, 2222714, 2906626, 6060041, 12120082, 18893069, 24706321, 37786138, 49412642, 321182173, 642364346]

約数ペア:

[(1, 642364346), (2, 321182173), (13, 49412642), (17, 37786138), (26, 24706321), (34, 18893069), (53, 12120082), (106, 6060041), (221, 2906626), (289, 2222714), (442, 1453313), (578, 1111357), (689, 932314), (901, 712946), (1378, 466157), (1613, 398242), (1802, 356473), (3226, 199121), (3757, 170978), (7514, 85489), (11713, 54842), (15317, 41938), (20969, 30634), (23426, 27421)]