155931985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 214876800

約数和(自身を除く): 58944815

約数列:

[1, 5, 11, 29, 55, 59, 145, 295, 319, 649, 1595, 1657, 1711, 3245, 8285, 8555, 18227, 18821, 48053, 91135, 94105, 97763, 240265, 488815, 528583, 1075393, 2642915, 2835127, 5376965, 14175635, 31186397, 155931985]

約数ペア:

[(1, 155931985), (5, 31186397), (11, 14175635), (29, 5376965), (55, 2835127), (59, 2642915), (145, 1075393), (295, 528583), (319, 488815), (649, 240265), (1595, 97763), (1657, 94105), (1711, 91135), (3245, 48053), (8285, 18821), (8555, 18227)]