127521290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31643}}^1$

素因数の和:31694

約数の個数: 32

約数和(自身を含む): 255177216

約数和(自身を除く): 127655926

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 31643, 63286, 158215, 316430, 411359, 822718, 980933, 1961866, 2056795, 4113590, 4904665, 9809330, 12752129, 25504258, 63760645, 127521290]

約数ペア:

[(1, 127521290), (2, 63760645), (5, 25504258), (10, 12752129), (13, 9809330), (26, 4904665), (31, 4113590), (62, 2056795), (65, 1961866), (130, 980933), (155, 822718), (310, 411359), (403, 316430), (806, 158215), (2015, 63286), (4030, 31643)]