140667046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 232255296

約数和(自身を除く): 91588250

約数列:

[1, 2, 13, 26, 71, 142, 181, 362, 421, 842, 923, 1846, 2353, 4706, 5473, 10946, 12851, 25702, 29891, 59782, 76201, 152402, 167063, 334126, 388583, 777166, 990613, 1981226, 5410271, 10820542, 70333523, 140667046]

約数ペア:

[(1, 140667046), (2, 70333523), (13, 10820542), (26, 5410271), (71, 1981226), (142, 990613), (181, 777166), (362, 388583), (421, 334126), (842, 167063), (923, 152402), (1846, 76201), (2353, 59782), (4706, 29891), (5473, 25702), (10946, 12851)]