397976328

素因数分解:

$2^3\times 3^4\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 1118040000

約数和(自身を除く): 720063672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 439, 648, 878, 1317, 1399, 1756, 2634, 2798, 3512, 3951, 4197, 5268, 5596, 7902, 8394, 10536, 11192, 11853, 12591, 15804, 16788, 23706, 25182, 31608, 33576, 35559, 37773, 47412, 50364, 71118, 75546, 94824, 100728, 113319, 142236, 151092, 226638, 284472, 302184, 453276, 614161, 906552, 1228322, 1842483, 2456644, 3684966, 4913288, 5527449, 7369932, 11054898, 14739864, 16582347, 22109796, 33164694, 44219592, 49747041, 66329388, 99494082, 132658776, 198988164, 397976328]

約数ペア:

[(1, 397976328), (2, 198988164), (3, 132658776), (4, 99494082), (6, 66329388), (8, 49747041), (9, 44219592), (12, 33164694), (18, 22109796), (24, 16582347), (27, 14739864), (36, 11054898), (54, 7369932), (72, 5527449), (81, 4913288), (108, 3684966), (162, 2456644), (216, 1842483), (324, 1228322), (439, 906552), (648, 614161), (878, 453276), (1317, 302184), (1399, 284472), (1756, 226638), (2634, 151092), (2798, 142236), (3512, 113319), (3951, 100728), (4197, 94824), (5268, 75546), (5596, 71118), (7902, 50364), (8394, 47412), (10536, 37773), (11192, 35559), (11853, 33576), (12591, 31608), (15804, 25182), (16788, 23706)]