81584136

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4409}}^1$

素因数の和:4678

約数の個数: 48

約数和(自身を含む): 221867100

約数和(自身を除く): 140282964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4409, 4626, 6168, 8818, 9252, 13227, 17636, 18504, 26454, 35272, 39681, 52908, 79362, 105816, 158724, 317448, 1133113, 2266226, 3399339, 4532452, 6798678, 9064904, 10198017, 13597356, 20396034, 27194712, 40792068, 81584136]

約数ペア:

[(1, 81584136), (2, 40792068), (3, 27194712), (4, 20396034), (6, 13597356), (8, 10198017), (9, 9064904), (12, 6798678), (18, 4532452), (24, 3399339), (36, 2266226), (72, 1133113), (257, 317448), (514, 158724), (771, 105816), (1028, 79362), (1542, 52908), (2056, 39681), (2313, 35272), (3084, 26454), (4409, 18504), (4626, 17636), (6168, 13227), (8818, 9252)]