81491248

素因数分解:

$2^4\times {\mathrm{89}}^2\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 30

約数和(自身を含む): 159931604

約数和(自身を除く): 78440356

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 643, 712, 1286, 1424, 2572, 5144, 7921, 10288, 15842, 31684, 57227, 63368, 114454, 126736, 228908, 457816, 915632, 5093203, 10186406, 20372812, 40745624, 81491248]

約数ペア:

[(1, 81491248), (2, 40745624), (4, 20372812), (8, 10186406), (16, 5093203), (89, 915632), (178, 457816), (356, 228908), (643, 126736), (712, 114454), (1286, 63368), (1424, 57227), (2572, 31684), (5144, 15842), (7921, 10288)]