71783990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{247531}}^1$

素因数の和:247567

約数の個数: 16

約数和(自身を含む): 133667280

約数和(自身を除く): 61883290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 247531, 495062, 1237655, 2475310, 7178399, 14356798, 35891995, 71783990]

約数ペア:

[(1, 71783990), (2, 35891995), (5, 14356798), (10, 7178399), (29, 2475310), (58, 1237655), (145, 495062), (290, 247531)]