51681990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1951}}^1$

素因数の和:2844

約数の個数: 32

約数和(自身を含む): 124240896

約数和(自身を除く): 72558906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 883, 1766, 1951, 2649, 3902, 4415, 5298, 5853, 8830, 9755, 11706, 13245, 19510, 26490, 29265, 58530, 1722733, 3445466, 5168199, 8613665, 10336398, 17227330, 25840995, 51681990]

約数ペア:

[(1, 51681990), (2, 25840995), (3, 17227330), (5, 10336398), (6, 8613665), (10, 5168199), (15, 3445466), (30, 1722733), (883, 58530), (1766, 29265), (1951, 26490), (2649, 19510), (3902, 13245), (4415, 11706), (5298, 9755), (5853, 8830)]