157440745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21523}}^1$

素因数の和:21565

約数の個数: 32

約数和(自身を含む): 247956480

約数和(自身を除く): 90515735

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 21523, 107615, 150661, 236753, 408937, 753305, 1183765, 1657271, 2044685, 2862559, 4498307, 8286355, 14312795, 22491535, 31488149, 157440745]

約数ペア:

[(1, 157440745), (5, 31488149), (7, 22491535), (11, 14312795), (19, 8286355), (35, 4498307), (55, 2862559), (77, 2044685), (95, 1657271), (133, 1183765), (209, 753305), (385, 408937), (665, 236753), (1045, 150661), (1463, 107615), (7315, 21523)]