291208528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1433}}^1$

素因数の和:2431

約数の個数: 40

約数和(自身を含む): 608664168

約数和(自身を除く): 317455640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 977, 1433, 1954, 2866, 3908, 5732, 7816, 11464, 12701, 15632, 18629, 22928, 25402, 37258, 50804, 74516, 101608, 149032, 203216, 298064, 1400041, 2800082, 5600164, 11200328, 18200533, 22400656, 36401066, 72802132, 145604264, 291208528]

約数ペア:

[(1, 291208528), (2, 145604264), (4, 72802132), (8, 36401066), (13, 22400656), (16, 18200533), (26, 11200328), (52, 5600164), (104, 2800082), (208, 1400041), (977, 298064), (1433, 203216), (1954, 149032), (2866, 101608), (3908, 74516), (5732, 50804), (7816, 37258), (11464, 25402), (12701, 22928), (15632, 18629)]