68115838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 62520962

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 71, 119, 139, 142, 203, 238, 278, 406, 493, 497, 973, 986, 994, 1207, 1946, 2059, 2363, 2414, 3451, 4031, 4118, 4726, 6902, 8062, 8449, 9869, 14413, 16541, 16898, 19738, 28217, 28826, 33082, 35003, 56434, 68527, 69083, 70006, 137054, 138166, 167773, 245021, 286201, 335546, 479689, 490042, 572402, 959378, 1174411, 2003407, 2348822, 4006814, 4865417, 9730834, 34057919, 68115838]

約数ペア:

[(1, 68115838), (2, 34057919), (7, 9730834), (14, 4865417), (17, 4006814), (29, 2348822), (34, 2003407), (58, 1174411), (71, 959378), (119, 572402), (139, 490042), (142, 479689), (203, 335546), (238, 286201), (278, 245021), (406, 167773), (493, 138166), (497, 137054), (973, 70006), (986, 69083), (994, 68527), (1207, 56434), (1946, 35003), (2059, 33082), (2363, 28826), (2414, 28217), (3451, 19738), (4031, 16898), (4118, 16541), (4726, 14413), (6902, 9869), (8062, 8449)]