81808256

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 171849600

約数和(自身を除く): 90041344

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 389, 424, 496, 778, 848, 992, 1556, 1643, 1696, 1984, 3112, 3286, 3392, 3968, 6224, 6572, 6784, 12059, 12448, 13144, 20617, 24118, 24896, 26288, 41234, 48236, 49792, 52576, 82468, 96472, 105152, 164936, 192944, 210304, 329872, 385888, 639127, 659744, 771776, 1278254, 1319488, 1543552, 2556508, 2638976, 5113016, 10226032, 20452064, 40904128, 81808256]

約数ペア:

[(1, 81808256), (2, 40904128), (4, 20452064), (8, 10226032), (16, 5113016), (31, 2638976), (32, 2556508), (53, 1543552), (62, 1319488), (64, 1278254), (106, 771776), (124, 659744), (128, 639127), (212, 385888), (248, 329872), (389, 210304), (424, 192944), (496, 164936), (778, 105152), (848, 96472), (992, 82468), (1556, 52576), (1643, 49792), (1696, 48236), (1984, 41234), (3112, 26288), (3286, 24896), (3392, 24118), (3968, 20617), (6224, 13144), (6572, 12448), (6784, 12059)]