71394505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 106170624

約数和(自身を除く): 34776119

約数列:

[1, 5, 7, 13, 35, 65, 91, 173, 455, 865, 907, 1211, 2249, 4535, 6055, 6349, 11245, 11791, 15743, 31745, 58955, 78715, 82537, 156911, 412685, 784555, 1098377, 2039843, 5491885, 10199215, 14278901, 71394505]

約数ペア:

[(1, 71394505), (5, 14278901), (7, 10199215), (13, 5491885), (35, 2039843), (65, 1098377), (91, 784555), (173, 412685), (455, 156911), (865, 82537), (907, 78715), (1211, 58955), (2249, 31745), (4535, 15743), (6055, 11791), (6349, 11245)]