81499544

素因数分解:

$2^3\times 7^4\times {\mathrm{4243}}^1$

素因数の和:4277

約数の個数: 40

約数和(自身を含む): 178311660

約数和(自身を除く): 96812116

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4243, 4802, 8486, 9604, 16972, 19208, 29701, 33944, 59402, 118804, 207907, 237608, 415814, 831628, 1455349, 1663256, 2910698, 5821396, 10187443, 11642792, 20374886, 40749772, 81499544]

約数ペア:

[(1, 81499544), (2, 40749772), (4, 20374886), (7, 11642792), (8, 10187443), (14, 5821396), (28, 2910698), (49, 1663256), (56, 1455349), (98, 831628), (196, 415814), (343, 237608), (392, 207907), (686, 118804), (1372, 59402), (2401, 33944), (2744, 29701), (4243, 19208), (4802, 16972), (8486, 9604)]