25023076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 52571904

約数和(自身を除く): 27548828

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 43, 52, 62, 76, 86, 124, 172, 247, 361, 403, 494, 559, 589, 722, 806, 817, 988, 1118, 1178, 1333, 1444, 1612, 1634, 2236, 2356, 2666, 3268, 4693, 5332, 7657, 9386, 10621, 11191, 15314, 15523, 17329, 18772, 21242, 22382, 25327, 30628, 31046, 34658, 42484, 44764, 50654, 62092, 69316, 101308, 145483, 201799, 290966, 329251, 403598, 481213, 581932, 658502, 807196, 962426, 1317004, 1924852, 6255769, 12511538, 25023076]

約数ペア:

[(1, 25023076), (2, 12511538), (4, 6255769), (13, 1924852), (19, 1317004), (26, 962426), (31, 807196), (38, 658502), (43, 581932), (52, 481213), (62, 403598), (76, 329251), (86, 290966), (124, 201799), (172, 145483), (247, 101308), (361, 69316), (403, 62092), (494, 50654), (559, 44764), (589, 42484), (722, 34658), (806, 31046), (817, 30628), (988, 25327), (1118, 22382), (1178, 21242), (1333, 18772), (1444, 17329), (1612, 15523), (1634, 15314), (2236, 11191), (2356, 10621), (2666, 9386), (3268, 7657), (4693, 5332)]