209379212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7561}}^1$

素因数の和:7638

約数の個数: 48

約数和(自身を含む): 447186432

約数和(自身を除く): 237807220

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 989, 1204, 1978, 3956, 6923, 7561, 13846, 15122, 27692, 30244, 52927, 105854, 173903, 211708, 325123, 347806, 650246, 695612, 1217321, 1300492, 2275861, 2434642, 4551722, 4869284, 7477829, 9103444, 14955658, 29911316, 52344803, 104689606, 209379212]

約数ペア:

[(1, 209379212), (2, 104689606), (4, 52344803), (7, 29911316), (14, 14955658), (23, 9103444), (28, 7477829), (43, 4869284), (46, 4551722), (86, 2434642), (92, 2275861), (161, 1300492), (172, 1217321), (301, 695612), (322, 650246), (602, 347806), (644, 325123), (989, 211708), (1204, 173903), (1978, 105854), (3956, 52927), (6923, 30244), (7561, 27692), (13846, 15122)]