191399039

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 227525760

約数和(自身を除く): 36126721

約数列:

[1, 13, 17, 37, 89, 221, 263, 481, 629, 1157, 1513, 3293, 3419, 4471, 8177, 9731, 19669, 23407, 42809, 55981, 58123, 126503, 165427, 304291, 397919, 727753, 866059, 2150551, 5172947, 11258767, 14723003, 191399039]

約数ペア:

[(1, 191399039), (13, 14723003), (17, 11258767), (37, 5172947), (89, 2150551), (221, 866059), (263, 727753), (481, 397919), (629, 304291), (1157, 165427), (1513, 126503), (3293, 58123), (3419, 55981), (4471, 42809), (8177, 23407), (9731, 19669)]