13435555

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 20355840

約数和(自身を除く): 6920285

約数列:

[1, 5, 7, 29, 31, 35, 49, 61, 145, 155, 203, 217, 245, 305, 427, 899, 1015, 1085, 1421, 1519, 1769, 1891, 2135, 2989, 4495, 6293, 7105, 7595, 8845, 9455, 12383, 13237, 14945, 31465, 44051, 54839, 61915, 66185, 86681, 92659, 220255, 274195, 383873, 433405, 463295, 1919365, 2687111, 13435555]

約数ペア:

[(1, 13435555), (5, 2687111), (7, 1919365), (29, 463295), (31, 433405), (35, 383873), (49, 274195), (61, 220255), (145, 92659), (155, 86681), (203, 66185), (217, 61915), (245, 54839), (305, 44051), (427, 31465), (899, 14945), (1015, 13237), (1085, 12383), (1421, 9455), (1519, 8845), (1769, 7595), (1891, 7105), (2135, 6293), (2989, 4495)]