128956914

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 321024000

約数和(自身を除く): 192067086

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 43, 54, 57, 74, 79, 86, 111, 114, 129, 158, 171, 222, 237, 258, 333, 342, 387, 474, 513, 666, 703, 711, 774, 817, 999, 1026, 1161, 1406, 1422, 1501, 1591, 1634, 1998, 2109, 2133, 2322, 2451, 2923, 3002, 3182, 3397, 4218, 4266, 4503, 4773, 4902, 5846, 6327, 6794, 7353, 8769, 9006, 9546, 10191, 12654, 13509, 14319, 14706, 17538, 18981, 20382, 22059, 26307, 27018, 28638, 30229, 30573, 37962, 40527, 42957, 44118, 52614, 55537, 60458, 61146, 64543, 78921, 81054, 85914, 90687, 91719, 111074, 125689, 129086, 157842, 166611, 181374, 183438, 193629, 251378, 272061, 333222, 377067, 387258, 499833, 544122, 580887, 754134, 816183, 999666, 1131201, 1161774, 1499499, 1632366, 1742661, 2262402, 2388091, 2998998, 3393603, 3485322, 4776182, 6787206, 7164273, 14328546, 21492819, 42985638, 64478457, 128956914]

約数ペア:

[(1, 128956914), (2, 64478457), (3, 42985638), (6, 21492819), (9, 14328546), (18, 7164273), (19, 6787206), (27, 4776182), (37, 3485322), (38, 3393603), (43, 2998998), (54, 2388091), (57, 2262402), (74, 1742661), (79, 1632366), (86, 1499499), (111, 1161774), (114, 1131201), (129, 999666), (158, 816183), (171, 754134), (222, 580887), (237, 544122), (258, 499833), (333, 387258), (342, 377067), (387, 333222), (474, 272061), (513, 251378), (666, 193629), (703, 183438), (711, 181374), (774, 166611), (817, 157842), (999, 129086), (1026, 125689), (1161, 111074), (1406, 91719), (1422, 90687), (1501, 85914), (1591, 81054), (1634, 78921), (1998, 64543), (2109, 61146), (2133, 60458), (2322, 55537), (2451, 52614), (2923, 44118), (3002, 42957), (3182, 40527), (3397, 37962), (4218, 30573), (4266, 30229), (4503, 28638), (4773, 27018), (4902, 26307), (5846, 22059), (6327, 20382), (6794, 18981), (7353, 17538), (8769, 14706), (9006, 14319), (9546, 13509), (10191, 12654)]