208090506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 478396800

約数和(自身を除く): 270306294

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 139, 221, 278, 417, 442, 663, 834, 1129, 1326, 1807, 2258, 2363, 3387, 3614, 4726, 5421, 6774, 7089, 10842, 14178, 14677, 19193, 29354, 30719, 38386, 44031, 57579, 61438, 88062, 92157, 115158, 156931, 184314, 249509, 313862, 470793, 499018, 748527, 941586, 1497054, 2040103, 2667827, 4080206, 5335654, 6120309, 8003481, 12240618, 16006962, 34681751, 69363502, 104045253, 208090506]

約数ペア:

[(1, 208090506), (2, 104045253), (3, 69363502), (6, 34681751), (13, 16006962), (17, 12240618), (26, 8003481), (34, 6120309), (39, 5335654), (51, 4080206), (78, 2667827), (102, 2040103), (139, 1497054), (221, 941586), (278, 748527), (417, 499018), (442, 470793), (663, 313862), (834, 249509), (1129, 184314), (1326, 156931), (1807, 115158), (2258, 92157), (2363, 88062), (3387, 61438), (3614, 57579), (4726, 44031), (5421, 38386), (6774, 30719), (7089, 29354), (10842, 19193), (14178, 14677)]