85871944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 175824000

約数和(自身を除く): 89952056

約数列:

[1, 2, 4, 8, 19, 38, 71, 73, 76, 109, 142, 146, 152, 218, 284, 292, 436, 568, 584, 872, 1349, 1387, 2071, 2698, 2774, 4142, 5183, 5396, 5548, 7739, 7957, 8284, 10366, 10792, 11096, 15478, 15914, 16568, 20732, 30956, 31828, 41464, 61912, 63656, 98477, 147041, 151183, 196954, 294082, 302366, 393908, 564947, 588164, 604732, 787816, 1129894, 1176328, 1209464, 2259788, 4519576, 10733993, 21467986, 42935972, 85871944]

約数ペア:

[(1, 85871944), (2, 42935972), (4, 21467986), (8, 10733993), (19, 4519576), (38, 2259788), (71, 1209464), (73, 1176328), (76, 1129894), (109, 787816), (142, 604732), (146, 588164), (152, 564947), (218, 393908), (284, 302366), (292, 294082), (436, 196954), (568, 151183), (584, 147041), (872, 98477), (1349, 63656), (1387, 61912), (2071, 41464), (2698, 31828), (2774, 30956), (4142, 20732), (5183, 16568), (5396, 15914), (5548, 15478), (7739, 11096), (7957, 10792), (8284, 10366)]