78208505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 101744640

約数和(自身を除く): 23536135

約数列:

[1, 5, 29, 31, 127, 137, 145, 155, 635, 685, 899, 3683, 3937, 3973, 4247, 4495, 17399, 18415, 19685, 19865, 21235, 86995, 114173, 123163, 504571, 539369, 570865, 615815, 2522855, 2696845, 15641701, 78208505]

約数ペア:

[(1, 78208505), (5, 15641701), (29, 2696845), (31, 2522855), (127, 615815), (137, 570865), (145, 539369), (155, 504571), (635, 123163), (685, 114173), (899, 86995), (3683, 21235), (3937, 19865), (3973, 19685), (4247, 18415), (4495, 17399)]