71222431

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 88112880

約数和(自身を除く): 16890449

約数列:

[1, 7, 19, 49, 113, 133, 677, 791, 931, 2147, 4739, 5537, 12863, 15029, 33173, 76501, 90041, 105203, 535507, 630287, 1453519, 3748549, 10174633, 71222431]

約数ペア:

[(1, 71222431), (7, 10174633), (19, 3748549), (49, 1453519), (113, 630287), (133, 535507), (677, 105203), (791, 90041), (931, 76501), (2147, 33173), (4739, 15029), (5537, 12863)]