81105344

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 56

約数和(自身を含む): 168706800

約数和(自身を除く): 87601456

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 89, 116, 178, 232, 356, 464, 491, 712, 928, 982, 1424, 1856, 1964, 2581, 2848, 3928, 5162, 5696, 7856, 10324, 14239, 15712, 20648, 28478, 31424, 41296, 43699, 56956, 82592, 87398, 113912, 165184, 174796, 227824, 349592, 455648, 699184, 911296, 1267271, 1398368, 2534542, 2796736, 5069084, 10138168, 20276336, 40552672, 81105344]

約数ペア:

[(1, 81105344), (2, 40552672), (4, 20276336), (8, 10138168), (16, 5069084), (29, 2796736), (32, 2534542), (58, 1398368), (64, 1267271), (89, 911296), (116, 699184), (178, 455648), (232, 349592), (356, 227824), (464, 174796), (491, 165184), (712, 113912), (928, 87398), (982, 82592), (1424, 56956), (1856, 43699), (1964, 41296), (2581, 31424), (2848, 28478), (3928, 20648), (5162, 15712), (5696, 14239), (7856, 10324)]