221437876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{33329}}^1$

素因数の和:33495

約数の個数: 24

約数和(自身を含む): 425557440

約数和(自身を除く): 204119564

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644, 33329, 66658, 133316, 366619, 733238, 1466476, 5032679, 10065358, 20130716, 55359469, 110718938, 221437876]

約数ペア:

[(1, 221437876), (2, 110718938), (4, 55359469), (11, 20130716), (22, 10065358), (44, 5032679), (151, 1466476), (302, 733238), (604, 366619), (1661, 133316), (3322, 66658), (6644, 33329)]