81803744

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 182125944

約数和(自身を除く): 100322200

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 121, 148, 176, 242, 296, 352, 407, 484, 571, 592, 814, 968, 1142, 1184, 1628, 1936, 2284, 3256, 3872, 4477, 4568, 6281, 6512, 8954, 9136, 12562, 13024, 17908, 18272, 21127, 25124, 35816, 42254, 50248, 69091, 71632, 84508, 100496, 138182, 143264, 169016, 200992, 232397, 276364, 338032, 464794, 552728, 676064, 929588, 1105456, 1859176, 2210912, 2556367, 3718352, 5112734, 7436704, 10225468, 20450936, 40901872, 81803744]

約数ペア:

[(1, 81803744), (2, 40901872), (4, 20450936), (8, 10225468), (11, 7436704), (16, 5112734), (22, 3718352), (32, 2556367), (37, 2210912), (44, 1859176), (74, 1105456), (88, 929588), (121, 676064), (148, 552728), (176, 464794), (242, 338032), (296, 276364), (352, 232397), (407, 200992), (484, 169016), (571, 143264), (592, 138182), (814, 100496), (968, 84508), (1142, 71632), (1184, 69091), (1628, 50248), (1936, 42254), (2284, 35816), (3256, 25124), (3872, 21127), (4477, 18272), (4568, 17908), (6281, 13024), (6512, 12562), (8954, 9136)]