389392308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{997}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 1038957920

約数和(自身を除く): 649565612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 571, 684, 997, 1142, 1713, 1994, 2284, 2991, 3426, 3988, 5139, 5982, 6852, 8973, 10278, 10849, 11964, 17946, 18943, 20556, 21698, 32547, 35892, 37886, 43396, 56829, 65094, 75772, 97641, 113658, 130188, 170487, 195282, 227316, 340974, 390564, 569287, 681948, 1138574, 1707861, 2277148, 3415722, 5123583, 6831444, 10247166, 10816453, 20494332, 21632906, 32449359, 43265812, 64898718, 97348077, 129797436, 194696154, 389392308]

約数ペア:

[(1, 389392308), (2, 194696154), (3, 129797436), (4, 97348077), (6, 64898718), (9, 43265812), (12, 32449359), (18, 21632906), (19, 20494332), (36, 10816453), (38, 10247166), (57, 6831444), (76, 5123583), (114, 3415722), (171, 2277148), (228, 1707861), (342, 1138574), (571, 681948), (684, 569287), (997, 390564), (1142, 340974), (1713, 227316), (1994, 195282), (2284, 170487), (2991, 130188), (3426, 113658), (3988, 97641), (5139, 75772), (5982, 65094), (6852, 56829), (8973, 43396), (10278, 37886), (10849, 35892), (11964, 32547), (17946, 21698), (18943, 20556)]