28732788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 92776320

約数和(自身を除く): 64043532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 353, 357, 399, 476, 532, 612, 646, 684, 706, 714, 798, 969, 1059, 1071, 1197, 1292, 1412, 1428, 1596, 1938, 2118, 2142, 2261, 2394, 2471, 2907, 3177, 3876, 4236, 4284, 4522, 4788, 4942, 5814, 6001, 6354, 6707, 6783, 7413, 9044, 9884, 11628, 12002, 12708, 13414, 13566, 14826, 18003, 20121, 20349, 22239, 24004, 26828, 27132, 29652, 36006, 40242, 40698, 42007, 44478, 46949, 54009, 60363, 72012, 80484, 81396, 84014, 88956, 93898, 108018, 114019, 120726, 126021, 140847, 168028, 187796, 216036, 228038, 241452, 252042, 281694, 342057, 378063, 422541, 456076, 504084, 563388, 684114, 756126, 798133, 845082, 1026171, 1368228, 1512252, 1596266, 1690164, 2052342, 2394399, 3192532, 4104684, 4788798, 7183197, 9577596, 14366394, 28732788]

約数ペア:

[(1, 28732788), (2, 14366394), (3, 9577596), (4, 7183197), (6, 4788798), (7, 4104684), (9, 3192532), (12, 2394399), (14, 2052342), (17, 1690164), (18, 1596266), (19, 1512252), (21, 1368228), (28, 1026171), (34, 845082), (36, 798133), (38, 756126), (42, 684114), (51, 563388), (57, 504084), (63, 456076), (68, 422541), (76, 378063), (84, 342057), (102, 281694), (114, 252042), (119, 241452), (126, 228038), (133, 216036), (153, 187796), (171, 168028), (204, 140847), (228, 126021), (238, 120726), (252, 114019), (266, 108018), (306, 93898), (323, 88956), (342, 84014), (353, 81396), (357, 80484), (399, 72012), (476, 60363), (532, 54009), (612, 46949), (646, 44478), (684, 42007), (706, 40698), (714, 40242), (798, 36006), (969, 29652), (1059, 27132), (1071, 26828), (1197, 24004), (1292, 22239), (1412, 20349), (1428, 20121), (1596, 18003), (1938, 14826), (2118, 13566), (2142, 13414), (2261, 12708), (2394, 12002), (2471, 11628), (2907, 9884), (3177, 9044), (3876, 7413), (4236, 6783), (4284, 6707), (4522, 6354), (4788, 6001), (4942, 5814)]