66606475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 94993920

約数和(自身を除く): 28387445

約数列:

[1, 5, 13, 25, 29, 37, 65, 145, 185, 191, 325, 377, 481, 725, 925, 955, 1073, 1885, 2405, 2483, 4775, 5365, 5539, 7067, 9425, 12025, 12415, 13949, 26825, 27695, 35335, 62075, 69745, 72007, 91871, 138475, 176675, 204943, 348725, 360035, 459355, 1024715, 1800175, 2296775, 2664259, 5123575, 13321295, 66606475]

約数ペア:

[(1, 66606475), (5, 13321295), (13, 5123575), (25, 2664259), (29, 2296775), (37, 1800175), (65, 1024715), (145, 459355), (185, 360035), (191, 348725), (325, 204943), (377, 176675), (481, 138475), (725, 91871), (925, 72007), (955, 69745), (1073, 62075), (1885, 35335), (2405, 27695), (2483, 26825), (4775, 13949), (5365, 12415), (5539, 12025), (7067, 9425)]