42639488

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 89041920

約数和(自身を除く): 46402432

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 127, 128, 172, 244, 254, 344, 488, 508, 688, 976, 1016, 1376, 1952, 2032, 2623, 2752, 3904, 4064, 5246, 5461, 5504, 7747, 7808, 8128, 10492, 10922, 15494, 16256, 20984, 21844, 30988, 41968, 43688, 61976, 83936, 87376, 123952, 167872, 174752, 247904, 333121, 335744, 349504, 495808, 666242, 699008, 991616, 1332484, 2664968, 5329936, 10659872, 21319744, 42639488]

約数ペア:

[(1, 42639488), (2, 21319744), (4, 10659872), (8, 5329936), (16, 2664968), (32, 1332484), (43, 991616), (61, 699008), (64, 666242), (86, 495808), (122, 349504), (127, 335744), (128, 333121), (172, 247904), (244, 174752), (254, 167872), (344, 123952), (488, 87376), (508, 83936), (688, 61976), (976, 43688), (1016, 41968), (1376, 30988), (1952, 21844), (2032, 20984), (2623, 16256), (2752, 15494), (3904, 10922), (4064, 10492), (5246, 8128), (5461, 7808), (5504, 7747)]