428581504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{257561}}^1$

素因数の和:257588

約数の個数: 32

約数和(自身を含む): 919496340

約数和(自身を除く): 490914836

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 257561, 515122, 1030244, 2060488, 3348293, 4120976, 6696586, 8241952, 13393172, 16483904, 26786344, 32967808, 53572688, 107145376, 214290752, 428581504]

約数ペア:

[(1, 428581504), (2, 214290752), (4, 107145376), (8, 53572688), (13, 32967808), (16, 26786344), (26, 16483904), (32, 13393172), (52, 8241952), (64, 6696586), (104, 4120976), (128, 3348293), (208, 2060488), (416, 1030244), (832, 515122), (1664, 257561)]