28790766

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 64393056

約数和(自身を除く): 35602290

約数列:

[1, 2, 3, 6, 9, 18, 53, 103, 106, 159, 206, 293, 309, 318, 477, 586, 618, 879, 927, 954, 1758, 1854, 2637, 5274, 5459, 10918, 15529, 16377, 30179, 31058, 32754, 46587, 49131, 60358, 90537, 93174, 98262, 139761, 181074, 271611, 279522, 543222, 1599487, 3198974, 4798461, 9596922, 14395383, 28790766]

約数ペア:

[(1, 28790766), (2, 14395383), (3, 9596922), (6, 4798461), (9, 3198974), (18, 1599487), (53, 543222), (103, 279522), (106, 271611), (159, 181074), (206, 139761), (293, 98262), (309, 93174), (318, 90537), (477, 60358), (586, 49131), (618, 46587), (879, 32754), (927, 31058), (954, 30179), (1758, 16377), (1854, 15529), (2637, 10918), (5274, 5459)]