81759944

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18481}}^1$

素因数の和:18573

約数の個数: 32

約数和(自身を含む): 177427200

約数和(自身を除く): 95667256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 18481, 36962, 73924, 129367, 147848, 258734, 517468, 1034936, 1459999, 2919998, 5839996, 10219993, 11679992, 20439986, 40879972, 81759944]

約数ペア:

[(1, 81759944), (2, 40879972), (4, 20439986), (7, 11679992), (8, 10219993), (14, 5839996), (28, 2919998), (56, 1459999), (79, 1034936), (158, 517468), (316, 258734), (553, 147848), (632, 129367), (1106, 73924), (2212, 36962), (4424, 18481)]