219804910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{17431}}^1$

素因数の和:17548

約数の個数: 32

約数和(自身を含む): 430500672

約数和(自身を除く): 210695762

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 2522, 6305, 12610, 17431, 34862, 87155, 174310, 226603, 453206, 1133015, 1690807, 2266030, 3381614, 8454035, 16908070, 21980491, 43960982, 109902455, 219804910]

約数ペア:

[(1, 219804910), (2, 109902455), (5, 43960982), (10, 21980491), (13, 16908070), (26, 8454035), (65, 3381614), (97, 2266030), (130, 1690807), (194, 1133015), (485, 453206), (970, 226603), (1261, 174310), (2522, 87155), (6305, 34862), (12610, 17431)]