81326804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 163078272

約数和(自身を除く): 81751468

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 53, 92, 106, 212, 299, 598, 689, 1196, 1219, 1283, 1378, 2438, 2566, 2756, 4876, 5132, 15847, 16679, 29509, 31694, 33358, 59018, 63388, 66716, 67999, 118036, 135998, 271996, 383617, 767234, 883987, 1534468, 1563977, 1767974, 3127954, 3535948, 6255908, 20331701, 40663402, 81326804]

約数ペア:

[(1, 81326804), (2, 40663402), (4, 20331701), (13, 6255908), (23, 3535948), (26, 3127954), (46, 1767974), (52, 1563977), (53, 1534468), (92, 883987), (106, 767234), (212, 383617), (299, 271996), (598, 135998), (689, 118036), (1196, 67999), (1219, 66716), (1283, 63388), (1378, 59018), (2438, 33358), (2566, 31694), (2756, 29509), (4876, 16679), (5132, 15847)]