78890710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2081}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 151103232

約数和(自身を除く): 72212522

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 1115, 2081, 2230, 3791, 4162, 7582, 10405, 18955, 20810, 35377, 37910, 70754, 176885, 353770, 464063, 928126, 2320315, 4640630, 7889071, 15778142, 39445355, 78890710]

約数ペア:

[(1, 78890710), (2, 39445355), (5, 15778142), (10, 7889071), (17, 4640630), (34, 2320315), (85, 928126), (170, 464063), (223, 353770), (446, 176885), (1115, 70754), (2081, 37910), (2230, 35377), (3791, 20810), (4162, 18955), (7582, 10405)]