28097990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 51861600

約数和(自身を除く): 23763610

約数列:

[1, 2, 5, 10, 83, 97, 166, 194, 349, 415, 485, 698, 830, 970, 1745, 3490, 8051, 16102, 28967, 33853, 40255, 57934, 67706, 80510, 144835, 169265, 289670, 338530, 2809799, 5619598, 14048995, 28097990]

約数ペア:

[(1, 28097990), (2, 14048995), (5, 5619598), (10, 2809799), (83, 338530), (97, 289670), (166, 169265), (194, 144835), (349, 80510), (415, 67706), (485, 57934), (698, 40255), (830, 33853), (970, 28967), (1745, 16102), (3490, 8051)]