856656

素因数分解:

$2^4\times 3^4\times {\mathrm{661}}^1$

素因数の和:681

約数の個数: 50

約数和(自身を含む): 2483162

約数和(自身を除く): 1626506

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 661, 1296, 1322, 1983, 2644, 3966, 5288, 5949, 7932, 10576, 11898, 15864, 17847, 23796, 31728, 35694, 47592, 53541, 71388, 95184, 107082, 142776, 214164, 285552, 428328, 856656]

約数ペア:

[(1, 856656), (2, 428328), (3, 285552), (4, 214164), (6, 142776), (8, 107082), (9, 95184), (12, 71388), (16, 53541), (18, 47592), (24, 35694), (27, 31728), (36, 23796), (48, 17847), (54, 15864), (72, 11898), (81, 10576), (108, 7932), (144, 5949), (162, 5288), (216, 3966), (324, 2644), (432, 1983), (648, 1322), (661, 1296)]