28860728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{773}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 58514400

約数和(自身を除く): 29653672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 718, 773, 1436, 1546, 2872, 3092, 4667, 6184, 9334, 10049, 18668, 20098, 37336, 40196, 80392, 277507, 555014, 1110028, 2220056, 3607591, 7215182, 14430364, 28860728]

約数ペア:

[(1, 28860728), (2, 14430364), (4, 7215182), (8, 3607591), (13, 2220056), (26, 1110028), (52, 555014), (104, 277507), (359, 80392), (718, 40196), (773, 37336), (1436, 20098), (1546, 18668), (2872, 10049), (3092, 9334), (4667, 6184)]