81691272

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87277}}^1$

素因数の和:87302

約数の個数: 48

約数和(自身を含む): 238268940

約数和(自身を除く): 156577668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87277, 174554, 261831, 349108, 523662, 698216, 785493, 1047324, 1134601, 1570986, 2094648, 2269202, 3141972, 3403803, 4538404, 6283944, 6807606, 9076808, 10211409, 13615212, 20422818, 27230424, 40845636, 81691272]

約数ペア:

[(1, 81691272), (2, 40845636), (3, 27230424), (4, 20422818), (6, 13615212), (8, 10211409), (9, 9076808), (12, 6807606), (13, 6283944), (18, 4538404), (24, 3403803), (26, 3141972), (36, 2269202), (39, 2094648), (52, 1570986), (72, 1134601), (78, 1047324), (104, 785493), (117, 698216), (156, 523662), (234, 349108), (312, 261831), (468, 174554), (936, 87277)]