12912141328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{426763}}^1$

素因数の和:426863

約数の個数: 40

約数和(自身を含む): 26247693056

約数和(自身を除く): 13335551728

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7564, 15128, 30256, 426763, 853526, 1707052, 3414104, 6828208, 13229653, 26032543, 26459306, 52065086, 52918612, 104130172, 105837224, 208260344, 211674448, 416520688, 807008833, 1614017666, 3228035332, 6456070664, 12912141328]

約数ペア:

[(1, 12912141328), (2, 6456070664), (4, 3228035332), (8, 1614017666), (16, 807008833), (31, 416520688), (61, 211674448), (62, 208260344), (122, 105837224), (124, 104130172), (244, 52918612), (248, 52065086), (488, 26459306), (496, 26032543), (976, 13229653), (1891, 6828208), (3782, 3414104), (7564, 1707052), (15128, 853526), (30256, 426763)]