2129891725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 2903814144

約数和(自身を除く): 773922419

約数列:

[1, 5, 13, 25, 65, 71, 241, 325, 355, 383, 923, 1205, 1775, 1915, 3133, 4615, 4979, 6025, 9575, 15665, 17111, 23075, 24895, 27193, 78325, 85555, 92303, 124475, 135965, 222443, 353509, 427775, 461515, 679825, 1112215, 1199939, 1767545, 2307575, 5561075, 5999695, 6553513, 8837725, 29998475, 32767565, 85195669, 163837825, 425978345, 2129891725]

約数ペア:

[(1, 2129891725), (5, 425978345), (13, 163837825), (25, 85195669), (65, 32767565), (71, 29998475), (241, 8837725), (325, 6553513), (355, 5999695), (383, 5561075), (923, 2307575), (1205, 1767545), (1775, 1199939), (1915, 1112215), (3133, 679825), (4615, 461515), (4979, 427775), (6025, 353509), (9575, 222443), (15665, 135965), (17111, 124475), (23075, 92303), (24895, 85555), (27193, 78325)]