221493248

素因数分解:

$2^{11}\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 460933200

約数和(自身を除く): 239439952

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 79, 128, 148, 158, 256, 296, 316, 512, 592, 632, 1024, 1184, 1264, 1369, 2048, 2368, 2528, 2738, 2923, 4736, 5056, 5476, 5846, 9472, 10112, 10952, 11692, 18944, 20224, 21904, 23384, 37888, 40448, 43808, 46768, 75776, 80896, 87616, 93536, 108151, 161792, 175232, 187072, 216302, 350464, 374144, 432604, 700928, 748288, 865208, 1401856, 1496576, 1730416, 2803712, 2993152, 3460832, 5986304, 6921664, 13843328, 27686656, 55373312, 110746624, 221493248]

約数ペア:

[(1, 221493248), (2, 110746624), (4, 55373312), (8, 27686656), (16, 13843328), (32, 6921664), (37, 5986304), (64, 3460832), (74, 2993152), (79, 2803712), (128, 1730416), (148, 1496576), (158, 1401856), (256, 865208), (296, 748288), (316, 700928), (512, 432604), (592, 374144), (632, 350464), (1024, 216302), (1184, 187072), (1264, 175232), (1369, 161792), (2048, 108151), (2368, 93536), (2528, 87616), (2738, 80896), (2923, 75776), (4736, 46768), (5056, 43808), (5476, 40448), (5846, 37888), (9472, 23384), (10112, 21904), (10952, 20224), (11692, 18944)]