31207519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 8306081

約数列:

[1, 7, 19, 41, 59, 97, 133, 287, 413, 679, 779, 1121, 1843, 2419, 3977, 5453, 5723, 7847, 12901, 16933, 27839, 40061, 45961, 75563, 108737, 234643, 321727, 528941, 761159, 1642501, 4458217, 31207519]

約数ペア:

[(1, 31207519), (7, 4458217), (19, 1642501), (41, 761159), (59, 528941), (97, 321727), (133, 234643), (287, 108737), (413, 75563), (679, 45961), (779, 40061), (1121, 27839), (1843, 16933), (2419, 12901), (3977, 7847), (5453, 5723)]