123964688

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 245977560

約数和(自身を除く): 122012872

約数列:

[1, 2, 4, 8, 16, 61, 122, 157, 244, 314, 488, 628, 809, 976, 1256, 1618, 2512, 3236, 6472, 9577, 12944, 19154, 38308, 49349, 76616, 98698, 127013, 153232, 197396, 254026, 394792, 508052, 789584, 1016104, 2032208, 7747793, 15495586, 30991172, 61982344, 123964688]

約数ペア:

[(1, 123964688), (2, 61982344), (4, 30991172), (8, 15495586), (16, 7747793), (61, 2032208), (122, 1016104), (157, 789584), (244, 508052), (314, 394792), (488, 254026), (628, 197396), (809, 153232), (976, 127013), (1256, 98698), (1618, 76616), (2512, 49349), (3236, 38308), (6472, 19154), (9577, 12944)]