1971293558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 3325069440

約数和(自身を除く): 1353775882

約数列:

[1, 2, 13, 26, 71, 97, 101, 109, 142, 194, 202, 218, 923, 1261, 1313, 1417, 1846, 2522, 2626, 2834, 6887, 7171, 7739, 9797, 10573, 11009, 13774, 14342, 15478, 19594, 21146, 22018, 89531, 93223, 100607, 127361, 137449, 143117, 179062, 186446, 201214, 254722, 274898, 286234, 695587, 750683, 781639, 1067873, 1391174, 1501366, 1563278, 2135746, 9042631, 9758879, 10161307, 13882349, 18085262, 19517758, 20322614, 27764698, 75818983, 151637966, 985646779, 1971293558]

約数ペア:

[(1, 1971293558), (2, 985646779), (13, 151637966), (26, 75818983), (71, 27764698), (97, 20322614), (101, 19517758), (109, 18085262), (142, 13882349), (194, 10161307), (202, 9758879), (218, 9042631), (923, 2135746), (1261, 1563278), (1313, 1501366), (1417, 1391174), (1846, 1067873), (2522, 781639), (2626, 750683), (2834, 695587), (6887, 286234), (7171, 274898), (7739, 254722), (9797, 201214), (10573, 186446), (11009, 179062), (13774, 143117), (14342, 137449), (15478, 127361), (19594, 100607), (21146, 93223), (22018, 89531)]