78839938

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 124746480

約数和(自身を除く): 45906542

約数列:

[1, 2, 53, 61, 89, 106, 122, 137, 178, 274, 3233, 4717, 5429, 6466, 7261, 8357, 9434, 10858, 12193, 14522, 16714, 24386, 287737, 442921, 575474, 646229, 743773, 885842, 1292458, 1487546, 39419969, 78839938]

約数ペア:

[(1, 78839938), (2, 39419969), (53, 1487546), (61, 1292458), (89, 885842), (106, 743773), (122, 646229), (137, 575474), (178, 442921), (274, 287737), (3233, 24386), (4717, 16714), (5429, 14522), (6466, 12193), (7261, 10858), (8357, 9434)]