320003248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{6551}}^1$

素因数の和:6673

約数の個数: 40

約数和(自身を含む): 643458816

約数和(自身を除く): 323455568

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 3053, 6106, 6551, 12212, 13102, 24424, 26204, 48848, 52408, 104816, 281693, 465121, 563386, 930242, 1126772, 1860484, 2253544, 3720968, 4507088, 7441936, 20000203, 40000406, 80000812, 160001624, 320003248]

約数ペア:

[(1, 320003248), (2, 160001624), (4, 80000812), (8, 40000406), (16, 20000203), (43, 7441936), (71, 4507088), (86, 3720968), (142, 2253544), (172, 1860484), (284, 1126772), (344, 930242), (568, 563386), (688, 465121), (1136, 281693), (3053, 104816), (6106, 52408), (6551, 48848), (12212, 26204), (13102, 24424)]