399889408

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{16979}}^1$

素因数の和:17022

約数の個数: 44

約数和(自身を含む): 834193440

約数和(自身を除く): 434304032

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1024, 1472, 2944, 5888, 11776, 16979, 23552, 33958, 67916, 135832, 271664, 390517, 543328, 781034, 1086656, 1562068, 2173312, 3124136, 4346624, 6248272, 8693248, 12496544, 17386496, 24993088, 49986176, 99972352, 199944704, 399889408]

約数ペア:

[(1, 399889408), (2, 199944704), (4, 99972352), (8, 49986176), (16, 24993088), (23, 17386496), (32, 12496544), (46, 8693248), (64, 6248272), (92, 4346624), (128, 3124136), (184, 2173312), (256, 1562068), (368, 1086656), (512, 781034), (736, 543328), (1024, 390517), (1472, 271664), (2944, 135832), (5888, 67916), (11776, 33958), (16979, 23552)]