197907968

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 420461184

約数和(自身を除く): 222553216

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 256, 296, 337, 496, 512, 592, 674, 992, 1147, 1184, 1348, 1984, 2294, 2368, 2696, 3968, 4588, 4736, 5392, 7936, 9176, 9472, 10447, 10784, 12469, 15872, 18352, 18944, 20894, 21568, 24938, 36704, 41788, 43136, 49876, 73408, 83576, 86272, 99752, 146816, 167152, 172544, 199504, 293632, 334304, 386539, 399008, 587264, 668608, 773078, 798016, 1337216, 1546156, 1596032, 2674432, 3092312, 3192064, 5348864, 6184624, 6384128, 12369248, 24738496, 49476992, 98953984, 197907968]

約数ペア:

[(1, 197907968), (2, 98953984), (4, 49476992), (8, 24738496), (16, 12369248), (31, 6384128), (32, 6184624), (37, 5348864), (62, 3192064), (64, 3092312), (74, 2674432), (124, 1596032), (128, 1546156), (148, 1337216), (248, 798016), (256, 773078), (296, 668608), (337, 587264), (496, 399008), (512, 386539), (592, 334304), (674, 293632), (992, 199504), (1147, 172544), (1184, 167152), (1348, 146816), (1984, 99752), (2294, 86272), (2368, 83576), (2696, 73408), (3968, 49876), (4588, 43136), (4736, 41788), (5392, 36704), (7936, 24938), (9176, 21568), (9472, 20894), (10447, 18944), (10784, 18352), (12469, 15872)]