174987239

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 42740761

約数列:

[1, 7, 17, 71, 119, 139, 149, 497, 973, 1043, 1207, 2363, 2533, 8449, 9869, 10579, 16541, 17731, 20711, 69083, 74053, 144977, 167773, 179843, 352087, 1174411, 1258901, 1470481, 2464609, 10293367, 24998177, 174987239]

約数ペア:

[(1, 174987239), (7, 24998177), (17, 10293367), (71, 2464609), (119, 1470481), (139, 1258901), (149, 1174411), (497, 352087), (973, 179843), (1043, 167773), (1207, 144977), (2363, 74053), (2533, 69083), (8449, 20711), (9869, 17731), (10579, 16541)]