81033784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 179827200

約数和(自身を除く): 98793416

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 247, 299, 437, 494, 598, 874, 988, 1196, 1748, 1783, 1976, 2392, 3496, 3566, 5681, 7132, 11362, 14264, 22724, 23179, 33877, 41009, 45448, 46358, 67754, 82018, 92716, 135508, 164036, 185432, 271016, 328072, 440401, 533117, 779171, 880802, 1066234, 1558342, 1761604, 2132468, 3116684, 3523208, 4264936, 6233368, 10129223, 20258446, 40516892, 81033784]

約数ペア:

[(1, 81033784), (2, 40516892), (4, 20258446), (8, 10129223), (13, 6233368), (19, 4264936), (23, 3523208), (26, 3116684), (38, 2132468), (46, 1761604), (52, 1558342), (76, 1066234), (92, 880802), (104, 779171), (152, 533117), (184, 440401), (247, 328072), (299, 271016), (437, 185432), (494, 164036), (598, 135508), (874, 92716), (988, 82018), (1196, 67754), (1748, 46358), (1783, 45448), (1976, 41009), (2392, 33877), (3496, 23179), (3566, 22724), (5681, 14264), (7132, 11362)]