221497672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 464025600

約数和(自身を除く): 242527928

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 151, 158, 211, 302, 316, 422, 604, 632, 844, 869, 1208, 1661, 1688, 1738, 2321, 3322, 3476, 4642, 6644, 6952, 9284, 11929, 13288, 16669, 18568, 23858, 31861, 33338, 47716, 63722, 66676, 95432, 127444, 131219, 133352, 183359, 254888, 262438, 350471, 366718, 524876, 700942, 733436, 1049752, 1401884, 1466872, 2517019, 2803768, 5034038, 10068076, 20136152, 27687209, 55374418, 110748836, 221497672]

約数ペア:

[(1, 221497672), (2, 110748836), (4, 55374418), (8, 27687209), (11, 20136152), (22, 10068076), (44, 5034038), (79, 2803768), (88, 2517019), (151, 1466872), (158, 1401884), (211, 1049752), (302, 733436), (316, 700942), (422, 524876), (604, 366718), (632, 350471), (844, 262438), (869, 254888), (1208, 183359), (1661, 133352), (1688, 131219), (1738, 127444), (2321, 95432), (3322, 66676), (3476, 63722), (4642, 47716), (6644, 33338), (6952, 31861), (9284, 23858), (11929, 18568), (13288, 16669)]