7990554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 19192320

約数和(自身を除く): 11201766

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 67, 78, 134, 139, 143, 201, 278, 286, 402, 417, 429, 737, 834, 858, 871, 1474, 1529, 1742, 1807, 2211, 2613, 3058, 3614, 4422, 4587, 5226, 5421, 9174, 9313, 9581, 10842, 18626, 19162, 19877, 27939, 28743, 39754, 55878, 57486, 59631, 102443, 119262, 121069, 204886, 242138, 307329, 363207, 614658, 726414, 1331759, 2663518, 3995277, 7990554]

約数ペア:

[(1, 7990554), (2, 3995277), (3, 2663518), (6, 1331759), (11, 726414), (13, 614658), (22, 363207), (26, 307329), (33, 242138), (39, 204886), (66, 121069), (67, 119262), (78, 102443), (134, 59631), (139, 57486), (143, 55878), (201, 39754), (278, 28743), (286, 27939), (402, 19877), (417, 19162), (429, 18626), (737, 10842), (834, 9581), (858, 9313), (871, 9174), (1474, 5421), (1529, 5226), (1742, 4587), (1807, 4422), (2211, 3614), (2613, 3058)]