250253913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12911}}^1$

素因数の和:13005

約数の個数: 32

約数和(自身を含む): 416489472

約数和(自身を除く): 166235559

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 12911, 19383, 38733, 90377, 167843, 271131, 503529, 916681, 1174901, 2750043, 3524703, 6416767, 11916853, 19250301, 35750559, 83417971, 250253913]

約数ペア:

[(1, 250253913), (3, 83417971), (7, 35750559), (13, 19250301), (21, 11916853), (39, 6416767), (71, 3524703), (91, 2750043), (213, 1174901), (273, 916681), (497, 503529), (923, 271131), (1491, 167843), (2769, 90377), (6461, 38733), (12911, 19383)]