78641648

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{28411}}^1$

素因数の和:28592

約数の個数: 20

約数和(自身を含む): 153254328

約数和(自身を除く): 74612680

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 28411, 56822, 113644, 227288, 454576, 4915103, 9830206, 19660412, 39320824, 78641648]

約数ペア:

[(1, 78641648), (2, 39320824), (4, 19660412), (8, 9830206), (16, 4915103), (173, 454576), (346, 227288), (692, 113644), (1384, 56822), (2768, 28411)]