28853172

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 81989600

約数和(自身を除く): 53136428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 43, 54, 57, 76, 81, 86, 108, 109, 114, 129, 162, 171, 172, 218, 228, 258, 324, 327, 342, 387, 436, 513, 516, 654, 684, 774, 817, 981, 1026, 1161, 1308, 1539, 1548, 1634, 1962, 2052, 2071, 2322, 2451, 2943, 3078, 3268, 3483, 3924, 4142, 4644, 4687, 4902, 5886, 6156, 6213, 6966, 7353, 8284, 8829, 9374, 9804, 11772, 12426, 13932, 14061, 14706, 17658, 18639, 18748, 22059, 24852, 28122, 29412, 35316, 37278, 42183, 44118, 55917, 56244, 66177, 74556, 84366, 88236, 89053, 111834, 126549, 132354, 167751, 168732, 178106, 223668, 253098, 264708, 267159, 335502, 356212, 379647, 506196, 534318, 671004, 759294, 801477, 1068636, 1518588, 1602954, 2404431, 3205908, 4808862, 7213293, 9617724, 14426586, 28853172]

約数ペア:

[(1, 28853172), (2, 14426586), (3, 9617724), (4, 7213293), (6, 4808862), (9, 3205908), (12, 2404431), (18, 1602954), (19, 1518588), (27, 1068636), (36, 801477), (38, 759294), (43, 671004), (54, 534318), (57, 506196), (76, 379647), (81, 356212), (86, 335502), (108, 267159), (109, 264708), (114, 253098), (129, 223668), (162, 178106), (171, 168732), (172, 167751), (218, 132354), (228, 126549), (258, 111834), (324, 89053), (327, 88236), (342, 84366), (387, 74556), (436, 66177), (513, 56244), (516, 55917), (654, 44118), (684, 42183), (774, 37278), (817, 35316), (981, 29412), (1026, 28122), (1161, 24852), (1308, 22059), (1539, 18748), (1548, 18639), (1634, 17658), (1962, 14706), (2052, 14061), (2071, 13932), (2322, 12426), (2451, 11772), (2943, 9804), (3078, 9374), (3268, 8829), (3483, 8284), (3924, 7353), (4142, 6966), (4644, 6213), (4687, 6156), (4902, 5886)]