664539652

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1\times {\mathrm{787}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 1358259840

約数和(自身を除く): 693720188

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 569, 742, 787, 1138, 1484, 1574, 2276, 3148, 3983, 5509, 7966, 11018, 15932, 22036, 30157, 41711, 60314, 83422, 120628, 166844, 211099, 291977, 422198, 447803, 583954, 844396, 895606, 1167908, 1791212, 3134621, 6269242, 12538484, 23733559, 47467118, 94934236, 166134913, 332269826, 664539652]

約数ペア:

[(1, 664539652), (2, 332269826), (4, 166134913), (7, 94934236), (14, 47467118), (28, 23733559), (53, 12538484), (106, 6269242), (212, 3134621), (371, 1791212), (569, 1167908), (742, 895606), (787, 844396), (1138, 583954), (1484, 447803), (1574, 422198), (2276, 291977), (3148, 211099), (3983, 166844), (5509, 120628), (7966, 83422), (11018, 60314), (15932, 41711), (22036, 30157)]