1290198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 3386880

約数和(自身を除く): 2096682

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 139, 182, 221, 238, 273, 278, 357, 417, 442, 546, 663, 714, 834, 973, 1326, 1547, 1807, 1946, 2363, 2919, 3094, 3614, 4641, 4726, 5421, 5838, 7089, 9282, 10842, 12649, 14178, 16541, 25298, 30719, 33082, 37947, 49623, 61438, 75894, 92157, 99246, 184314, 215033, 430066, 645099, 1290198]

約数ペア:

[(1, 1290198), (2, 645099), (3, 430066), (6, 215033), (7, 184314), (13, 99246), (14, 92157), (17, 75894), (21, 61438), (26, 49623), (34, 37947), (39, 33082), (42, 30719), (51, 25298), (78, 16541), (91, 14178), (102, 12649), (119, 10842), (139, 9282), (182, 7089), (221, 5838), (238, 5421), (273, 4726), (278, 4641), (357, 3614), (417, 3094), (442, 2919), (546, 2363), (663, 1946), (714, 1807), (834, 1547), (973, 1326)]