25571898

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 62244000

約数和(自身を除く): 36672102

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 121, 177, 198, 199, 242, 354, 363, 398, 531, 597, 649, 726, 1062, 1089, 1194, 1298, 1791, 1947, 2178, 2189, 3582, 3894, 4378, 5841, 6567, 7139, 11682, 11741, 13134, 14278, 19701, 21417, 23482, 24079, 35223, 39402, 42834, 48158, 64251, 70446, 72237, 105669, 128502, 129151, 144474, 211338, 216711, 258302, 387453, 433422, 774906, 1162359, 1420661, 2324718, 2841322, 4261983, 8523966, 12785949, 25571898]

約数ペア:

[(1, 25571898), (2, 12785949), (3, 8523966), (6, 4261983), (9, 2841322), (11, 2324718), (18, 1420661), (22, 1162359), (33, 774906), (59, 433422), (66, 387453), (99, 258302), (118, 216711), (121, 211338), (177, 144474), (198, 129151), (199, 128502), (242, 105669), (354, 72237), (363, 70446), (398, 64251), (531, 48158), (597, 42834), (649, 39402), (726, 35223), (1062, 24079), (1089, 23482), (1194, 21417), (1298, 19701), (1791, 14278), (1947, 13134), (2178, 11741), (2189, 11682), (3582, 7139), (3894, 6567), (4378, 5841)]