219039407

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 249842880

約数和(自身を除く): 30803473

約数列:

[1, 17, 29, 53, 83, 101, 493, 901, 1411, 1537, 1717, 2407, 2929, 4399, 5353, 8383, 26129, 40919, 49793, 74783, 91001, 127571, 142511, 155237, 243107, 444299, 2168707, 2639029, 4132819, 7553083, 12884671, 219039407]

約数ペア:

[(1, 219039407), (17, 12884671), (29, 7553083), (53, 4132819), (83, 2639029), (101, 2168707), (493, 444299), (901, 243107), (1411, 155237), (1537, 142511), (1717, 127571), (2407, 91001), (2929, 74783), (4399, 49793), (5353, 40919), (8383, 26129)]