291515872

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 582885072

約数和(自身を除く): 291369200

約数列:

[1, 2, 4, 8, 16, 32, 131, 197, 262, 353, 394, 524, 706, 788, 1048, 1412, 1576, 2096, 2824, 3152, 4192, 5648, 6304, 11296, 25807, 46243, 51614, 69541, 92486, 103228, 139082, 184972, 206456, 278164, 369944, 412912, 556328, 739888, 825824, 1112656, 1479776, 2225312, 9109871, 18219742, 36439484, 72878968, 145757936, 291515872]

約数ペア:

[(1, 291515872), (2, 145757936), (4, 72878968), (8, 36439484), (16, 18219742), (32, 9109871), (131, 2225312), (197, 1479776), (262, 1112656), (353, 825824), (394, 739888), (524, 556328), (706, 412912), (788, 369944), (1048, 278164), (1412, 206456), (1576, 184972), (2096, 139082), (2824, 103228), (3152, 92486), (4192, 69541), (5648, 51614), (6304, 46243), (11296, 25807)]