72189985

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 36

約数和(自身を含む): 105532308

約数和(自身を除く): 33342323

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 529, 557, 805, 1127, 2645, 2785, 3703, 3899, 5635, 12811, 18515, 19495, 25921, 27293, 64055, 89677, 129605, 136465, 294653, 448385, 627739, 1473265, 2062571, 3138695, 10312855, 14437997, 72189985]

約数ペア:

[(1, 72189985), (5, 14437997), (7, 10312855), (23, 3138695), (35, 2062571), (49, 1473265), (115, 627739), (161, 448385), (245, 294653), (529, 136465), (557, 129605), (805, 89677), (1127, 64055), (2645, 27293), (2785, 25921), (3703, 19495), (3899, 18515), (5635, 12811)]