81204784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 176031144

約数和(自身を除く): 94826360

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 361, 646, 722, 827, 1292, 1444, 1654, 2584, 2888, 3308, 5168, 5776, 6137, 6616, 12274, 13232, 14059, 15713, 24548, 28118, 31426, 49096, 56236, 62852, 98192, 112472, 125704, 224944, 251408, 267121, 298547, 534242, 597094, 1068484, 1194188, 2136968, 2388376, 4273936, 4776752, 5075299, 10150598, 20301196, 40602392, 81204784]

約数ペア:

[(1, 81204784), (2, 40602392), (4, 20301196), (8, 10150598), (16, 5075299), (17, 4776752), (19, 4273936), (34, 2388376), (38, 2136968), (68, 1194188), (76, 1068484), (136, 597094), (152, 534242), (272, 298547), (304, 267121), (323, 251408), (361, 224944), (646, 125704), (722, 112472), (827, 98192), (1292, 62852), (1444, 56236), (1654, 49096), (2584, 31426), (2888, 28118), (3308, 24548), (5168, 15713), (5776, 14059), (6137, 13232), (6616, 12274)]