2891148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 7451136

約数和(自身を除く): 4559988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 431, 516, 559, 862, 1118, 1293, 1677, 1724, 2236, 2586, 3354, 5172, 5603, 6708, 11206, 16809, 18533, 22412, 33618, 37066, 55599, 67236, 74132, 111198, 222396, 240929, 481858, 722787, 963716, 1445574, 2891148]

約数ペア:

[(1, 2891148), (2, 1445574), (3, 963716), (4, 722787), (6, 481858), (12, 240929), (13, 222396), (26, 111198), (39, 74132), (43, 67236), (52, 55599), (78, 37066), (86, 33618), (129, 22412), (156, 18533), (172, 16809), (258, 11206), (431, 6708), (516, 5603), (559, 5172), (862, 3354), (1118, 2586), (1293, 2236), (1677, 1724)]