81005003248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1845721}}^1$

素因数の和:1845953

約数の個数: 40

約数和(自身を含む): 169821189776

約数和(自身を除く): 88816186528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 3376, 5486, 10972, 21944, 43888, 1845721, 3691442, 7382884, 14765768, 23994373, 29531536, 47988746, 95977492, 191954984, 383909968, 389447131, 778894262, 1557788524, 3115577048, 5062812703, 6231154096, 10125625406, 20251250812, 40502501624, 81005003248]

約数ペア:

[(1, 81005003248), (2, 40502501624), (4, 20251250812), (8, 10125625406), (13, 6231154096), (16, 5062812703), (26, 3115577048), (52, 1557788524), (104, 778894262), (208, 389447131), (211, 383909968), (422, 191954984), (844, 95977492), (1688, 47988746), (2743, 29531536), (3376, 23994373), (5486, 14765768), (10972, 7382884), (21944, 3691442), (43888, 1845721)]