140212345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18127}}^1$

素因数の和:18169

約数の個数: 32

約数和(自身を含む): 219276288

約数和(自身を除く): 79063943

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 18127, 90635, 126889, 235651, 308159, 634445, 1178255, 1540795, 1649557, 2157113, 4006067, 8247785, 10785565, 20030335, 28042469, 140212345]

約数ペア:

[(1, 140212345), (5, 28042469), (7, 20030335), (13, 10785565), (17, 8247785), (35, 4006067), (65, 2157113), (85, 1649557), (91, 1540795), (119, 1178255), (221, 634445), (455, 308159), (595, 235651), (1105, 126889), (1547, 90635), (7735, 18127)]