998889246

素因数分解:

$2^1\times 3^4\times {\mathrm{281}}^1\times {\mathrm{21943}}^1$

素因数の和:22238

約数の個数: 40

約数和(自身を含む): 2246319504

約数和(自身を除く): 1247430258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 281, 562, 843, 1686, 2529, 5058, 7587, 15174, 21943, 22761, 43886, 45522, 65829, 131658, 197487, 394974, 592461, 1184922, 1777383, 3554766, 6165983, 12331966, 18497949, 36995898, 55493847, 110987694, 166481541, 332963082, 499444623, 998889246]

約数ペア:

[(1, 998889246), (2, 499444623), (3, 332963082), (6, 166481541), (9, 110987694), (18, 55493847), (27, 36995898), (54, 18497949), (81, 12331966), (162, 6165983), (281, 3554766), (562, 1777383), (843, 1184922), (1686, 592461), (2529, 394974), (5058, 197487), (7587, 131658), (15174, 65829), (21943, 45522), (22761, 43886)]