40991548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 81285120

約数和(自身を除く): 40293572

約数列:

[1, 2, 4, 13, 26, 31, 52, 59, 62, 118, 124, 236, 403, 431, 767, 806, 862, 1534, 1612, 1724, 1829, 3068, 3658, 5603, 7316, 11206, 13361, 22412, 23777, 25429, 26722, 47554, 50858, 53444, 95108, 101716, 173693, 330577, 347386, 661154, 694772, 788299, 1322308, 1576598, 3153196, 10247887, 20495774, 40991548]

約数ペア:

[(1, 40991548), (2, 20495774), (4, 10247887), (13, 3153196), (26, 1576598), (31, 1322308), (52, 788299), (59, 694772), (62, 661154), (118, 347386), (124, 330577), (236, 173693), (403, 101716), (431, 95108), (767, 53444), (806, 50858), (862, 47554), (1534, 26722), (1612, 25429), (1724, 23777), (1829, 22412), (3068, 13361), (3658, 11206), (5603, 7316)]