205657216

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 435988800

約数和(自身を除く): 230331584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 128, 152, 206, 304, 412, 608, 821, 824, 1216, 1642, 1648, 1957, 2432, 3284, 3296, 3914, 6568, 6592, 7828, 13136, 13184, 15599, 15656, 26272, 31198, 31312, 52544, 62396, 62624, 84563, 105088, 124792, 125248, 169126, 249584, 250496, 338252, 499168, 676504, 998336, 1353008, 1606697, 1996672, 2706016, 3213394, 5412032, 6426788, 10824064, 12853576, 25707152, 51414304, 102828608, 205657216]

約数ペア:

[(1, 205657216), (2, 102828608), (4, 51414304), (8, 25707152), (16, 12853576), (19, 10824064), (32, 6426788), (38, 5412032), (64, 3213394), (76, 2706016), (103, 1996672), (128, 1606697), (152, 1353008), (206, 998336), (304, 676504), (412, 499168), (608, 338252), (821, 250496), (824, 249584), (1216, 169126), (1642, 125248), (1648, 124792), (1957, 105088), (2432, 84563), (3284, 62624), (3296, 62396), (3914, 52544), (6568, 31312), (6592, 31198), (7828, 26272), (13136, 15656), (13184, 15599)]