81956498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4490

約数の個数: 32

約数和(自身を含む): 142636032

約数和(自身を除く): 60679534

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 4421, 8842, 9269, 18538, 57473, 101683, 114946, 137051, 203366, 274102, 1321879, 1781663, 2643758, 3152173, 3563326, 6304346, 40978249, 81956498]

約数ペア:

[(1, 81956498), (2, 40978249), (13, 6304346), (23, 3563326), (26, 3152173), (31, 2643758), (46, 1781663), (62, 1321879), (299, 274102), (403, 203366), (598, 137051), (713, 114946), (806, 101683), (1426, 57473), (4421, 18538), (8842, 9269)]