42509215

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 63694080

約数和(自身を除く): 21184865

約数列:

[1, 5, 7, 29, 31, 35, 49, 145, 155, 193, 203, 217, 245, 899, 965, 1015, 1085, 1351, 1421, 1519, 4495, 5597, 5983, 6293, 6755, 7105, 7595, 9457, 27985, 29915, 31465, 39179, 41881, 44051, 47285, 173507, 195895, 209405, 220255, 274253, 293167, 867535, 1214549, 1371265, 1465835, 6072745, 8501843, 42509215]

約数ペア:

[(1, 42509215), (5, 8501843), (7, 6072745), (29, 1465835), (31, 1371265), (35, 1214549), (49, 867535), (145, 293167), (155, 274253), (193, 220255), (203, 209405), (217, 195895), (245, 173507), (899, 47285), (965, 44051), (1015, 41881), (1085, 39179), (1351, 31465), (1421, 29915), (1519, 27985), (4495, 9457), (5597, 7595), (5983, 7105), (6293, 6755)]