186520490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1493}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 373852584

約数和(自身を除く): 187332094

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1493, 1922, 2015, 2986, 4030, 4805, 7465, 9610, 12493, 14930, 19409, 24986, 38818, 46283, 62465, 92566, 97045, 124930, 194090, 231415, 462830, 601679, 1203358, 1434773, 2869546, 3008395, 6016790, 7173865, 14347730, 18652049, 37304098, 93260245, 186520490]

約数ペア:

[(1, 186520490), (2, 93260245), (5, 37304098), (10, 18652049), (13, 14347730), (26, 7173865), (31, 6016790), (62, 3008395), (65, 2869546), (130, 1434773), (155, 1203358), (310, 601679), (403, 462830), (806, 231415), (961, 194090), (1493, 124930), (1922, 97045), (2015, 92566), (2986, 62465), (4030, 46283), (4805, 38818), (7465, 24986), (9610, 19409), (12493, 14930)]