39854464

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 87650640

約数和(自身を除く): 47796176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 416, 557, 559, 688, 832, 1114, 1118, 1376, 1664, 2228, 2236, 2752, 4456, 4472, 5504, 7241, 8912, 8944, 14482, 17824, 17888, 23951, 28964, 35648, 35776, 47902, 57928, 71296, 71552, 95804, 115856, 191608, 231712, 311363, 383216, 463424, 622726, 766432, 926848, 1245452, 1532864, 2490904, 3065728, 4981808, 9963616, 19927232, 39854464]

約数ペア:

[(1, 39854464), (2, 19927232), (4, 9963616), (8, 4981808), (13, 3065728), (16, 2490904), (26, 1532864), (32, 1245452), (43, 926848), (52, 766432), (64, 622726), (86, 463424), (104, 383216), (128, 311363), (172, 231712), (208, 191608), (344, 115856), (416, 95804), (557, 71552), (559, 71296), (688, 57928), (832, 47902), (1114, 35776), (1118, 35648), (1376, 28964), (1664, 23951), (2228, 17888), (2236, 17824), (2752, 14482), (4456, 8944), (4472, 8912), (5504, 7241)]