64891648

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 137749248

約数和(自身を除く): 72857600

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 103, 107, 128, 184, 206, 214, 256, 368, 412, 428, 736, 824, 856, 1472, 1648, 1712, 2369, 2461, 2944, 3296, 3424, 4738, 4922, 5888, 6592, 6848, 9476, 9844, 11021, 13184, 13696, 18952, 19688, 22042, 26368, 27392, 37904, 39376, 44084, 75808, 78752, 88168, 151616, 157504, 176336, 253483, 303232, 315008, 352672, 506966, 606464, 630016, 705344, 1013932, 1410688, 2027864, 2821376, 4055728, 8111456, 16222912, 32445824, 64891648]

約数ペア:

[(1, 64891648), (2, 32445824), (4, 16222912), (8, 8111456), (16, 4055728), (23, 2821376), (32, 2027864), (46, 1410688), (64, 1013932), (92, 705344), (103, 630016), (107, 606464), (128, 506966), (184, 352672), (206, 315008), (214, 303232), (256, 253483), (368, 176336), (412, 157504), (428, 151616), (736, 88168), (824, 78752), (856, 75808), (1472, 44084), (1648, 39376), (1712, 37904), (2369, 27392), (2461, 26368), (2944, 22042), (3296, 19688), (3424, 18952), (4738, 13696), (4922, 13184), (5888, 11021), (6592, 9844), (6848, 9476)]