140766815

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 200945664

約数和(自身を除く): 60178849

約数列:

[1, 5, 7, 31, 35, 137, 155, 217, 685, 947, 959, 1085, 4247, 4735, 4795, 6629, 21235, 29357, 29729, 33145, 129739, 146785, 148645, 205499, 648695, 908173, 1027495, 4021909, 4540865, 20109545, 28153363, 140766815]

約数ペア:

[(1, 140766815), (5, 28153363), (7, 20109545), (31, 4540865), (35, 4021909), (137, 1027495), (155, 908173), (217, 648695), (685, 205499), (947, 148645), (959, 146785), (1085, 129739), (4247, 33145), (4735, 29729), (4795, 29357), (6629, 21235)]