31051332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 86550464

約数和(自身を除く): 55499132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1543, 1548, 1677, 2236, 3086, 3354, 4629, 5031, 6172, 6708, 9258, 10062, 13887, 18516, 20059, 20124, 27774, 40118, 55548, 60177, 66349, 80236, 120354, 132698, 180531, 199047, 240708, 265396, 361062, 398094, 597141, 722124, 796188, 862537, 1194282, 1725074, 2388564, 2587611, 3450148, 5175222, 7762833, 10350444, 15525666, 31051332]

約数ペア:

[(1, 31051332), (2, 15525666), (3, 10350444), (4, 7762833), (6, 5175222), (9, 3450148), (12, 2587611), (13, 2388564), (18, 1725074), (26, 1194282), (36, 862537), (39, 796188), (43, 722124), (52, 597141), (78, 398094), (86, 361062), (117, 265396), (129, 240708), (156, 199047), (172, 180531), (234, 132698), (258, 120354), (387, 80236), (468, 66349), (516, 60177), (559, 55548), (774, 40118), (1118, 27774), (1543, 20124), (1548, 20059), (1677, 18516), (2236, 13887), (3086, 10062), (3354, 9258), (4629, 6708), (5031, 6172)]