81988168

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 157210560

約数和(自身を除く): 75222392

約数列:

[1, 2, 4, 8, 67, 134, 151, 268, 302, 536, 604, 1013, 1208, 2026, 4052, 8104, 10117, 20234, 40468, 67871, 80936, 135742, 152963, 271484, 305926, 542968, 611852, 1223704, 10248521, 20497042, 40994084, 81988168]

約数ペア:

[(1, 81988168), (2, 40994084), (4, 20497042), (8, 10248521), (67, 1223704), (134, 611852), (151, 542968), (268, 305926), (302, 271484), (536, 152963), (604, 135742), (1013, 80936), (1208, 67871), (2026, 40468), (4052, 20234), (8104, 10117)]