31781152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 67875192

約数和(自身を除く): 36094040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 241, 317, 416, 482, 634, 964, 1268, 1928, 2536, 3133, 3856, 4121, 5072, 6266, 7712, 8242, 10144, 12532, 16484, 25064, 32968, 50128, 65936, 76397, 100256, 131872, 152794, 305588, 611176, 993161, 1222352, 1986322, 2444704, 3972644, 7945288, 15890576, 31781152]

約数ペア:

[(1, 31781152), (2, 15890576), (4, 7945288), (8, 3972644), (13, 2444704), (16, 1986322), (26, 1222352), (32, 993161), (52, 611176), (104, 305588), (208, 152794), (241, 131872), (317, 100256), (416, 76397), (482, 65936), (634, 50128), (964, 32968), (1268, 25064), (1928, 16484), (2536, 12532), (3133, 10144), (3856, 8242), (4121, 7712), (5072, 6266)]