81694816

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9857}}^1$

素因数の和:9911

約数の個数: 48

約数和(自身を含む): 188800416

約数和(自身を除く): 107105600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 4144, 8288, 9857, 19714, 39428, 68999, 78856, 137998, 157712, 275996, 315424, 364709, 551992, 729418, 1103984, 1458836, 2207968, 2552963, 2917672, 5105926, 5835344, 10211852, 11670688, 20423704, 40847408, 81694816]

約数ペア:

[(1, 81694816), (2, 40847408), (4, 20423704), (7, 11670688), (8, 10211852), (14, 5835344), (16, 5105926), (28, 2917672), (32, 2552963), (37, 2207968), (56, 1458836), (74, 1103984), (112, 729418), (148, 551992), (224, 364709), (259, 315424), (296, 275996), (518, 157712), (592, 137998), (1036, 78856), (1184, 68999), (2072, 39428), (4144, 19714), (8288, 9857)]