81465680048

素因数分解:

$2^4\times {\mathrm{15583}}^1\times {\mathrm{326741}}^1$

素因数の和:342332

約数の個数: 20

約数和(自身を含む): 157850367168

約数和(自身を除く): 76384687120

約数列:

[1, 2, 4, 8, 16, 15583, 31166, 62332, 124664, 249328, 326741, 653482, 1306964, 2613928, 5227856, 5091605003, 10183210006, 20366420012, 40732840024, 81465680048]

約数ペア:

[(1, 81465680048), (2, 40732840024), (4, 20366420012), (8, 10183210006), (16, 5091605003), (15583, 5227856), (31166, 2613928), (62332, 1306964), (124664, 653482), (249328, 326741)]