13245505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 20047104

約数和(自身を除く): 6801599

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 677, 1505, 2795, 3385, 3913, 4739, 8801, 19565, 23695, 29111, 44005, 61607, 145555, 203777, 308035, 378443, 1018885, 1892215, 2649101, 13245505]

約数ペア:

[(1, 13245505), (5, 2649101), (7, 1892215), (13, 1018885), (35, 378443), (43, 308035), (65, 203777), (91, 145555), (215, 61607), (301, 44005), (455, 29111), (559, 23695), (677, 19565), (1505, 8801), (2795, 4739), (3385, 3913)]