38904628

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 86311680

約数和(自身を除く): 47407052

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 337, 434, 532, 589, 674, 868, 931, 1178, 1348, 1519, 1862, 2356, 2359, 3038, 3724, 4123, 4718, 6076, 6403, 8246, 9436, 10447, 12806, 16492, 16513, 20894, 25612, 28861, 33026, 41788, 44821, 57722, 66052, 73129, 89642, 115444, 146258, 179284, 198493, 292516, 313747, 396986, 511903, 627494, 793972, 1023806, 1254988, 1389451, 2047612, 2778902, 5557804, 9726157, 19452314, 38904628]

約数ペア:

[(1, 38904628), (2, 19452314), (4, 9726157), (7, 5557804), (14, 2778902), (19, 2047612), (28, 1389451), (31, 1254988), (38, 1023806), (49, 793972), (62, 627494), (76, 511903), (98, 396986), (124, 313747), (133, 292516), (196, 198493), (217, 179284), (266, 146258), (337, 115444), (434, 89642), (532, 73129), (589, 66052), (674, 57722), (868, 44821), (931, 41788), (1178, 33026), (1348, 28861), (1519, 25612), (1862, 20894), (2356, 16513), (2359, 16492), (3038, 12806), (3724, 10447), (4123, 9436), (4718, 8246), (6076, 6403)]