221489216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 499433088

約数和(自身を除く): 277943872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 43, 52, 64, 82, 86, 104, 151, 164, 172, 208, 302, 328, 344, 416, 533, 559, 604, 656, 688, 832, 1066, 1118, 1208, 1312, 1376, 1763, 1963, 2132, 2236, 2416, 2624, 2752, 3526, 3926, 4264, 4472, 4832, 6191, 6493, 7052, 7852, 8528, 8944, 9664, 12382, 12986, 14104, 15704, 17056, 17888, 22919, 24764, 25972, 28208, 31408, 34112, 35776, 45838, 49528, 51944, 56416, 62816, 80483, 84409, 91676, 99056, 103888, 112832, 125632, 160966, 168818, 183352, 198112, 207776, 266213, 321932, 337636, 366704, 396224, 415552, 532426, 643864, 675272, 733408, 1064852, 1287728, 1350544, 1466816, 2129704, 2575456, 2701088, 3460769, 4259408, 5150912, 5402176, 6921538, 8518816, 13843076, 17037632, 27686152, 55372304, 110744608, 221489216]

約数ペア:

[(1, 221489216), (2, 110744608), (4, 55372304), (8, 27686152), (13, 17037632), (16, 13843076), (26, 8518816), (32, 6921538), (41, 5402176), (43, 5150912), (52, 4259408), (64, 3460769), (82, 2701088), (86, 2575456), (104, 2129704), (151, 1466816), (164, 1350544), (172, 1287728), (208, 1064852), (302, 733408), (328, 675272), (344, 643864), (416, 532426), (533, 415552), (559, 396224), (604, 366704), (656, 337636), (688, 321932), (832, 266213), (1066, 207776), (1118, 198112), (1208, 183352), (1312, 168818), (1376, 160966), (1763, 125632), (1963, 112832), (2132, 103888), (2236, 99056), (2416, 91676), (2624, 84409), (2752, 80483), (3526, 62816), (3926, 56416), (4264, 51944), (4472, 49528), (4832, 45838), (6191, 35776), (6493, 34112), (7052, 31408), (7852, 28208), (8528, 25972), (8944, 24764), (9664, 22919), (12382, 17888), (12986, 17056), (14104, 15704)]