81418624

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 187639200

約数和(自身を除く): 106220576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 356, 448, 623, 712, 896, 1021, 1246, 1424, 2042, 2492, 2848, 4084, 4984, 5696, 7147, 8168, 9968, 11392, 14294, 16336, 19936, 28588, 32672, 39872, 57176, 65344, 79744, 90869, 114352, 130688, 181738, 228704, 363476, 457408, 636083, 726952, 914816, 1272166, 1453904, 2544332, 2907808, 5088664, 5815616, 10177328, 11631232, 20354656, 40709312, 81418624]

約数ペア:

[(1, 81418624), (2, 40709312), (4, 20354656), (7, 11631232), (8, 10177328), (14, 5815616), (16, 5088664), (28, 2907808), (32, 2544332), (56, 1453904), (64, 1272166), (89, 914816), (112, 726952), (128, 636083), (178, 457408), (224, 363476), (356, 228704), (448, 181738), (623, 130688), (712, 114352), (896, 90869), (1021, 79744), (1246, 65344), (1424, 57176), (2042, 39872), (2492, 32672), (2848, 28588), (4084, 19936), (4984, 16336), (5696, 14294), (7147, 11392), (8168, 9968)]