397301425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:814

約数の個数: 36

約数和(自身を含む): 531930240

約数和(自身を除く): 134628815

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 719, 775, 961, 3565, 3595, 4805, 16537, 17825, 17975, 22103, 22289, 24025, 82685, 110515, 111445, 413425, 512647, 552575, 557225, 690959, 2563235, 3454795, 12816175, 15892057, 17273975, 79460285, 397301425]

約数ペア:

[(1, 397301425), (5, 79460285), (23, 17273975), (25, 15892057), (31, 12816175), (115, 3454795), (155, 2563235), (575, 690959), (713, 557225), (719, 552575), (775, 512647), (961, 413425), (3565, 111445), (3595, 110515), (4805, 82685), (16537, 24025), (17825, 22289), (17975, 22103)]