8718420865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{23131}}^1$

素因数の和:23254

約数の個数: 48

約数和(自身を含む): 13290721920

約数和(自身を除く): 4572301055

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 121, 385, 445, 605, 623, 847, 979, 3115, 4235, 4895, 6853, 10769, 23131, 34265, 53845, 75383, 115655, 161917, 254441, 376915, 809585, 1272205, 1781087, 2058659, 2798851, 8905435, 10293295, 13994255, 14410613, 19591957, 22645249, 72053065, 97959785, 113226245, 158516743, 249097739, 792583715, 1245488695, 1743684173, 8718420865]

約数ペア:

[(1, 8718420865), (5, 1743684173), (7, 1245488695), (11, 792583715), (35, 249097739), (55, 158516743), (77, 113226245), (89, 97959785), (121, 72053065), (385, 22645249), (445, 19591957), (605, 14410613), (623, 13994255), (847, 10293295), (979, 8905435), (3115, 2798851), (4235, 2058659), (4895, 1781087), (6853, 1272205), (10769, 809585), (23131, 376915), (34265, 254441), (53845, 161917), (75383, 115655)]