1388891768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{26261}}^1$

素因数の和:26879

約数の個数: 32

約数和(自身を含む): 2845750320

約数和(自身を除く): 1456858552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 601, 1202, 2404, 4808, 6611, 13222, 26261, 26444, 52522, 52888, 105044, 210088, 288871, 577742, 1155484, 2310968, 15782861, 31565722, 63131444, 126262888, 173611471, 347222942, 694445884, 1388891768]

約数ペア:

[(1, 1388891768), (2, 694445884), (4, 347222942), (8, 173611471), (11, 126262888), (22, 63131444), (44, 31565722), (88, 15782861), (601, 2310968), (1202, 1155484), (2404, 577742), (4808, 288871), (6611, 210088), (13222, 105044), (26261, 52888), (26444, 52522)]