128692865

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 189604800

約数和(自身を除く): 60911935

約数列:

[1, 5, 7, 29, 35, 49, 59, 145, 203, 245, 295, 307, 413, 1015, 1421, 1535, 1711, 2065, 2149, 2891, 7105, 8555, 8903, 10745, 11977, 14455, 15043, 18113, 44515, 59885, 62321, 75215, 83839, 90565, 126791, 311605, 419195, 436247, 525277, 633955, 887537, 2181235, 2626385, 3676939, 4437685, 18384695, 25738573, 128692865]

約数ペア:

[(1, 128692865), (5, 25738573), (7, 18384695), (29, 4437685), (35, 3676939), (49, 2626385), (59, 2181235), (145, 887537), (203, 633955), (245, 525277), (295, 436247), (307, 419195), (413, 311605), (1015, 126791), (1421, 90565), (1535, 83839), (1711, 75215), (2065, 62321), (2149, 59885), (2891, 44515), (7105, 18113), (8555, 15043), (8903, 14455), (10745, 11977)]