208645996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 411844608

約数和(自身を除く): 203198612

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 284, 403, 806, 923, 1612, 1823, 1846, 2201, 3646, 3692, 4402, 7292, 8804, 23699, 28613, 47398, 56513, 57226, 94796, 113026, 114452, 129433, 226052, 258866, 517732, 734669, 1469338, 1682629, 2938676, 3365258, 4012423, 6730516, 8024846, 16049692, 52161499, 104322998, 208645996]

約数ペア:

[(1, 208645996), (2, 104322998), (4, 52161499), (13, 16049692), (26, 8024846), (31, 6730516), (52, 4012423), (62, 3365258), (71, 2938676), (124, 1682629), (142, 1469338), (284, 734669), (403, 517732), (806, 258866), (923, 226052), (1612, 129433), (1823, 114452), (1846, 113026), (2201, 94796), (3646, 57226), (3692, 56513), (4402, 47398), (7292, 28613), (8804, 23699)]