788557990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311683}}^1$

素因数の和:311724

約数の個数: 32

約数和(自身を含む): 1615769856

約数和(自身を除く): 827211866

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 311683, 623366, 1558415, 3116830, 3428513, 6857026, 7168709, 14337418, 17142565, 34285130, 35843545, 71687090, 78855799, 157711598, 394278995, 788557990]

約数ペア:

[(1, 788557990), (2, 394278995), (5, 157711598), (10, 78855799), (11, 71687090), (22, 35843545), (23, 34285130), (46, 17142565), (55, 14337418), (110, 7168709), (115, 6857026), (230, 3428513), (253, 3116830), (506, 1558415), (1265, 623366), (2530, 311683)]