205158124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^2$

素因数の和:191

約数の個数: 54

約数和(自身を含む): 398014260

約数和(自身を除く): 192856136

約数列:

[1, 2, 4, 19, 31, 38, 53, 62, 76, 106, 124, 212, 589, 961, 1007, 1178, 1643, 1922, 2014, 2356, 2809, 3286, 3844, 4028, 5618, 6572, 11236, 18259, 31217, 36518, 50933, 53371, 62434, 73036, 87079, 101866, 106742, 124868, 174158, 203732, 213484, 348316, 967727, 1654501, 1935454, 2699449, 3309002, 3870908, 5398898, 6618004, 10797796, 51289531, 102579062, 205158124]

約数ペア:

[(1, 205158124), (2, 102579062), (4, 51289531), (19, 10797796), (31, 6618004), (38, 5398898), (53, 3870908), (62, 3309002), (76, 2699449), (106, 1935454), (124, 1654501), (212, 967727), (589, 348316), (961, 213484), (1007, 203732), (1178, 174158), (1643, 124868), (1922, 106742), (2014, 101866), (2356, 87079), (2809, 73036), (3286, 62434), (3844, 53371), (4028, 50933), (5618, 36518), (6572, 31217), (11236, 18259)]