221108690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{14461}}^1$

素因数の和:14618

約数の個数: 32

約数和(自身を含む): 437330880

約数和(自身を除く): 216222190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 14461, 15290, 28922, 72305, 144610, 159071, 318142, 795355, 1590710, 2010079, 4020158, 10050395, 20100790, 22110869, 44221738, 110554345, 221108690]

約数ペア:

[(1, 221108690), (2, 110554345), (5, 44221738), (10, 22110869), (11, 20100790), (22, 10050395), (55, 4020158), (110, 2010079), (139, 1590710), (278, 795355), (695, 318142), (1390, 159071), (1529, 144610), (3058, 72305), (7645, 28922), (14461, 15290)]