1991238095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{14327}}^1$

素因数の和:14388

約数の個数: 48

約数和(自身を含む): 3144365568

約数和(自身を除く): 1153127473

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 361, 385, 665, 1045, 1463, 1805, 2527, 3971, 7315, 12635, 14327, 19855, 27797, 71635, 100289, 138985, 157597, 272213, 501445, 787985, 1103179, 1361065, 1905491, 2994343, 5172047, 5515895, 9527455, 14971715, 20960401, 25860235, 36204329, 56892517, 104802005, 181021645, 284462585, 398247619, 1991238095]

約数ペア:

[(1, 1991238095), (5, 398247619), (7, 284462585), (11, 181021645), (19, 104802005), (35, 56892517), (55, 36204329), (77, 25860235), (95, 20960401), (133, 14971715), (209, 9527455), (361, 5515895), (385, 5172047), (665, 2994343), (1045, 1905491), (1463, 1361065), (1805, 1103179), (2527, 787985), (3971, 501445), (7315, 272213), (12635, 157597), (14327, 138985), (19855, 100289), (27797, 71635)]