291220292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{20879}}^1$

素因数の和:21211

約数の個数: 24

約数和(自身を含む): 557746560

約数和(自身を除く): 266526268

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 1268, 3487, 6974, 13948, 20879, 41758, 83516, 229669, 459338, 918676, 6618643, 13237286, 26474572, 72805073, 145610146, 291220292]

約数ペア:

[(1, 291220292), (2, 145610146), (4, 72805073), (11, 26474572), (22, 13237286), (44, 6618643), (317, 918676), (634, 459338), (1268, 229669), (3487, 83516), (6974, 41758), (13948, 20879)]