898381225

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 1302103168

約数和(自身を除く): 403721943

約数列:

[1, 5, 7, 25, 35, 67, 175, 193, 335, 397, 469, 965, 1351, 1675, 1985, 2345, 2779, 4825, 6755, 9925, 11725, 12931, 13895, 26599, 33775, 64655, 69475, 76621, 90517, 132995, 186193, 323275, 383105, 452585, 536347, 664975, 930965, 1915525, 2262925, 2681735, 4654825, 5133607, 13408675, 25668035, 35935249, 128340175, 179676245, 898381225]

約数ペア:

[(1, 898381225), (5, 179676245), (7, 128340175), (25, 35935249), (35, 25668035), (67, 13408675), (175, 5133607), (193, 4654825), (335, 2681735), (397, 2262925), (469, 1915525), (965, 930965), (1351, 664975), (1675, 536347), (1985, 452585), (2345, 383105), (2779, 323275), (4825, 186193), (6755, 132995), (9925, 90517), (11725, 76621), (12931, 69475), (13895, 64655), (26599, 33775)]