78217996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1979}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 140873040

約数和(自身を除く): 62655044

約数列:

[1, 2, 4, 41, 82, 164, 241, 482, 964, 1979, 3958, 7916, 9881, 19762, 39524, 81139, 162278, 324556, 476939, 953878, 1907756, 19554499, 39108998, 78217996]

約数ペア:

[(1, 78217996), (2, 39108998), (4, 19554499), (41, 1907756), (82, 953878), (164, 476939), (241, 324556), (482, 162278), (964, 81139), (1979, 39524), (3958, 19762), (7916, 9881)]