131940391681

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1\times {\mathrm{3607}}^1$

素因数の和:4165

約数の個数: 32

約数和(自身を含む): 153621135360

約数和(自身を除く): 21680743679

約数列:

[1, 7, 109, 191, 251, 763, 1337, 1757, 3607, 20819, 25249, 27359, 47941, 145733, 191513, 335587, 393163, 688937, 905357, 2752141, 4822559, 5225569, 6337499, 36578983, 75094133, 98683913, 172923187, 525658931, 690787391, 1210462309, 18848627383, 131940391681]

約数ペア:

[(1, 131940391681), (7, 18848627383), (109, 1210462309), (191, 690787391), (251, 525658931), (763, 172923187), (1337, 98683913), (1757, 75094133), (3607, 36578983), (20819, 6337499), (25249, 5225569), (27359, 4822559), (47941, 2752141), (145733, 905357), (191513, 688937), (335587, 393163)]