81701864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19379}}^1$

素因数の和:19433

約数の個数: 32

約数和(自身を含む): 167443200

約数和(自身を除く): 85741336

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 19379, 38758, 77516, 155032, 329443, 600749, 658886, 1201498, 1317772, 2402996, 2635544, 4805992, 10212733, 20425466, 40850932, 81701864]

約数ペア:

[(1, 81701864), (2, 40850932), (4, 20425466), (8, 10212733), (17, 4805992), (31, 2635544), (34, 2402996), (62, 1317772), (68, 1201498), (124, 658886), (136, 600749), (248, 329443), (527, 155032), (1054, 77516), (2108, 38758), (4216, 19379)]