163308236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 360773280

約数和(自身を除く): 197465044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 89, 91, 142, 178, 182, 284, 356, 364, 497, 623, 923, 994, 1157, 1246, 1846, 1988, 2314, 2492, 3692, 4628, 5041, 6319, 6461, 8099, 10082, 12638, 12922, 16198, 20164, 25276, 25844, 32396, 35287, 44233, 65533, 70574, 82147, 88466, 131066, 141148, 164294, 176932, 262132, 328588, 448649, 458731, 575029, 897298, 917462, 1150058, 1794596, 1834924, 2300116, 3140543, 5832437, 6281086, 11664874, 12562172, 23329748, 40827059, 81654118, 163308236]

約数ペア:

[(1, 163308236), (2, 81654118), (4, 40827059), (7, 23329748), (13, 12562172), (14, 11664874), (26, 6281086), (28, 5832437), (52, 3140543), (71, 2300116), (89, 1834924), (91, 1794596), (142, 1150058), (178, 917462), (182, 897298), (284, 575029), (356, 458731), (364, 448649), (497, 328588), (623, 262132), (923, 176932), (994, 164294), (1157, 141148), (1246, 131066), (1846, 88466), (1988, 82147), (2314, 70574), (2492, 65533), (3692, 44233), (4628, 35287), (5041, 32396), (6319, 25844), (6461, 25276), (8099, 20164), (10082, 16198), (12638, 12922)]