81353688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 220147200

約数和(自身を除く): 138793512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 478, 717, 956, 1091, 1434, 1912, 2182, 2868, 3107, 3273, 4364, 5736, 6214, 6546, 8728, 9321, 12428, 13092, 14183, 18642, 24856, 26184, 28366, 37284, 42549, 56732, 74568, 85098, 113464, 170196, 260749, 340392, 521498, 782247, 1042996, 1564494, 2085992, 3128988, 3389737, 6257976, 6779474, 10169211, 13558948, 20338422, 27117896, 40676844, 81353688]

約数ペア:

[(1, 81353688), (2, 40676844), (3, 27117896), (4, 20338422), (6, 13558948), (8, 10169211), (12, 6779474), (13, 6257976), (24, 3389737), (26, 3128988), (39, 2085992), (52, 1564494), (78, 1042996), (104, 782247), (156, 521498), (239, 340392), (312, 260749), (478, 170196), (717, 113464), (956, 85098), (1091, 74568), (1434, 56732), (1912, 42549), (2182, 37284), (2868, 28366), (3107, 26184), (3273, 24856), (4364, 18642), (5736, 14183), (6214, 13092), (6546, 12428), (8728, 9321)]