550331375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12968

約数の個数: 32

約数和(自身を含む): 773480448

約数和(自身を除く): 223149073

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 775, 1375, 1705, 3875, 8525, 12911, 42625, 64555, 142021, 322775, 400241, 710105, 1613875, 2001205, 3550525, 4402651, 10006025, 17752625, 22013255, 50030125, 110066275, 550331375]

約数ペア:

[(1, 550331375), (5, 110066275), (11, 50030125), (25, 22013255), (31, 17752625), (55, 10006025), (125, 4402651), (155, 3550525), (275, 2001205), (341, 1613875), (775, 710105), (1375, 400241), (1705, 322775), (3875, 142021), (8525, 64555), (12911, 42625)]