81522944

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 171696000

約数和(自身を除く): 90173056

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 128, 139, 158, 232, 256, 278, 316, 464, 556, 632, 928, 1112, 1264, 1856, 2224, 2291, 2528, 3712, 4031, 4448, 4582, 5056, 7424, 8062, 8896, 9164, 10112, 10981, 16124, 17792, 18328, 20224, 21962, 32248, 35584, 36656, 43924, 64496, 73312, 87848, 128992, 146624, 175696, 257984, 293248, 318449, 351392, 515968, 586496, 636898, 702784, 1031936, 1273796, 1405568, 2547592, 2811136, 5095184, 10190368, 20380736, 40761472, 81522944]

約数ペア:

[(1, 81522944), (2, 40761472), (4, 20380736), (8, 10190368), (16, 5095184), (29, 2811136), (32, 2547592), (58, 1405568), (64, 1273796), (79, 1031936), (116, 702784), (128, 636898), (139, 586496), (158, 515968), (232, 351392), (256, 318449), (278, 293248), (316, 257984), (464, 175696), (556, 146624), (632, 128992), (928, 87848), (1112, 73312), (1264, 64496), (1856, 43924), (2224, 36656), (2291, 35584), (2528, 32248), (3712, 21962), (4031, 20224), (4448, 18328), (4582, 17792), (5056, 16124), (7424, 10981), (8062, 10112), (8896, 9164)]