208738628

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{4243}}^1$

素因数の和:4512

約数の個数: 36

約数和(自身を含む): 426725712

約数和(自身を除く): 217987084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 1004, 1757, 3514, 4243, 7028, 8486, 12299, 16972, 24598, 29701, 49196, 59402, 118804, 207907, 415814, 831628, 1064993, 2129986, 4259972, 7454951, 14909902, 29819804, 52184657, 104369314, 208738628]

約数ペア:

[(1, 208738628), (2, 104369314), (4, 52184657), (7, 29819804), (14, 14909902), (28, 7454951), (49, 4259972), (98, 2129986), (196, 1064993), (251, 831628), (502, 415814), (1004, 207907), (1757, 118804), (3514, 59402), (4243, 49196), (7028, 29701), (8486, 24598), (12299, 16972)]