25772439

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 45711360

約数和(自身を除く): 19938921

約数列:

[1, 3, 7, 11, 21, 31, 33, 59, 61, 77, 93, 177, 183, 217, 231, 341, 413, 427, 649, 651, 671, 1023, 1239, 1281, 1829, 1891, 1947, 2013, 2387, 3599, 4543, 4697, 5487, 5673, 7161, 10797, 12803, 13237, 13629, 14091, 20119, 20801, 25193, 38409, 39589, 39711, 60357, 62403, 75579, 111569, 118767, 140833, 145607, 277123, 334707, 422499, 436821, 780983, 831369, 1227259, 2342949, 3681777, 8590813, 25772439]

約数ペア:

[(1, 25772439), (3, 8590813), (7, 3681777), (11, 2342949), (21, 1227259), (31, 831369), (33, 780983), (59, 436821), (61, 422499), (77, 334707), (93, 277123), (177, 145607), (183, 140833), (217, 118767), (231, 111569), (341, 75579), (413, 62403), (427, 60357), (649, 39711), (651, 39589), (671, 38409), (1023, 25193), (1239, 20801), (1281, 20119), (1829, 14091), (1891, 13629), (1947, 13237), (2013, 12803), (2387, 10797), (3599, 7161), (4543, 5673), (4697, 5487)]