998556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 2591904

約数和(自身を除く): 1593348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 173, 222, 346, 444, 481, 519, 692, 962, 1038, 1443, 1924, 2076, 2249, 2886, 4498, 5772, 6401, 6747, 8996, 12802, 13494, 19203, 25604, 26988, 38406, 76812, 83213, 166426, 249639, 332852, 499278, 998556]

約数ペア:

[(1, 998556), (2, 499278), (3, 332852), (4, 249639), (6, 166426), (12, 83213), (13, 76812), (26, 38406), (37, 26988), (39, 25604), (52, 19203), (74, 13494), (78, 12802), (111, 8996), (148, 6747), (156, 6401), (173, 5772), (222, 4498), (346, 2886), (444, 2249), (481, 2076), (519, 1924), (692, 1443), (962, 1038)]