68871998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 58136002

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 59, 118, 139, 221, 247, 278, 323, 442, 494, 646, 767, 1003, 1121, 1534, 1807, 2006, 2242, 2363, 2641, 3614, 4199, 4726, 5282, 8201, 8398, 13039, 14573, 16402, 19057, 26078, 29146, 30719, 34333, 38114, 44897, 61438, 68666, 89794, 106613, 139417, 155819, 213226, 247741, 278834, 311638, 495482, 583661, 1167322, 1812421, 2025647, 2648923, 3624842, 4051294, 5297846, 34435999, 68871998]

約数ペア:

[(1, 68871998), (2, 34435999), (13, 5297846), (17, 4051294), (19, 3624842), (26, 2648923), (34, 2025647), (38, 1812421), (59, 1167322), (118, 583661), (139, 495482), (221, 311638), (247, 278834), (278, 247741), (323, 213226), (442, 155819), (494, 139417), (646, 106613), (767, 89794), (1003, 68666), (1121, 61438), (1534, 44897), (1807, 38114), (2006, 34333), (2242, 30719), (2363, 29146), (2641, 26078), (3614, 19057), (4199, 16402), (4726, 14573), (5282, 13039), (8201, 8398)]