253490512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{16183}}^1$

素因数の和:16291

約数の個数: 40

約数和(自身を含む): 541840320

約数和(自身を除く): 288349808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 15664, 16183, 32366, 64732, 129464, 178013, 258928, 356026, 712052, 1424104, 1440287, 2848208, 2880574, 5761148, 11522296, 15843157, 23044592, 31686314, 63372628, 126745256, 253490512]

約数ペア:

[(1, 253490512), (2, 126745256), (4, 63372628), (8, 31686314), (11, 23044592), (16, 15843157), (22, 11522296), (44, 5761148), (88, 2880574), (89, 2848208), (176, 1440287), (178, 1424104), (356, 712052), (712, 356026), (979, 258928), (1424, 178013), (1958, 129464), (3916, 64732), (7832, 32366), (15664, 16183)]