397171294

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{22171}}^1$

素因数の和:22252

約数の個数: 24

約数和(自身を含む): 657311112

約数和(自身を除く): 260139818

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1378, 8957, 17914, 22171, 44342, 288223, 576446, 1175063, 2350126, 3746899, 7493798, 15275819, 30551638, 198585647, 397171294]

約数ペア:

[(1, 397171294), (2, 198585647), (13, 30551638), (26, 15275819), (53, 7493798), (106, 3746899), (169, 2350126), (338, 1175063), (689, 576446), (1378, 288223), (8957, 44342), (17914, 22171)]