1231406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:487

約数の個数: 16

約数和(自身を含む): 2032128

約数和(自身を除く): 800722

約数列:

[1, 2, 11, 22, 223, 251, 446, 502, 2453, 2761, 4906, 5522, 55973, 111946, 615703, 1231406]

約数ペア:

[(1, 1231406), (2, 615703), (11, 111946), (22, 55973), (223, 5522), (251, 4906), (446, 2761), (502, 2453)]