1246971349975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{135019}}^1$

素因数の和:135380

約数の個数: 48

約数和(自身を含む): 1685063642080

約数和(自身を除く): 438092292105

約数列:

[1, 5, 13, 25, 65, 157, 181, 325, 785, 905, 2041, 2353, 3925, 4525, 10205, 11765, 28417, 51025, 58825, 135019, 142085, 369421, 675095, 710425, 1755247, 1847105, 3375475, 8776235, 9235525, 21197983, 24438439, 43881175, 105989915, 122192195, 275573779, 317699707, 529949575, 610960975, 1377868895, 1588498535, 3836834923, 6889344475, 7942492675, 19184174615, 49878853999, 95920873075, 249394269995, 1246971349975]

約数ペア:

[(1, 1246971349975), (5, 249394269995), (13, 95920873075), (25, 49878853999), (65, 19184174615), (157, 7942492675), (181, 6889344475), (325, 3836834923), (785, 1588498535), (905, 1377868895), (2041, 610960975), (2353, 529949575), (3925, 317699707), (4525, 275573779), (10205, 122192195), (11765, 105989915), (28417, 43881175), (51025, 24438439), (58825, 21197983), (135019, 9235525), (142085, 8776235), (369421, 3375475), (675095, 1847105), (710425, 1755247)]