28936278

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 83635200

約数和(自身を除く): 54698922

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 79, 81, 102, 114, 119, 126, 133, 153, 158, 162, 171, 189, 237, 238, 266, 306, 323, 342, 357, 378, 399, 459, 474, 513, 553, 567, 646, 711, 714, 798, 918, 969, 1026, 1071, 1106, 1134, 1197, 1343, 1377, 1422, 1501, 1539, 1659, 1938, 2133, 2142, 2261, 2394, 2686, 2754, 2907, 3002, 3078, 3213, 3318, 3591, 4029, 4266, 4503, 4522, 4977, 5814, 6399, 6426, 6783, 7182, 8058, 8721, 9006, 9401, 9639, 9954, 10507, 10773, 12087, 12798, 13509, 13566, 14931, 17442, 18802, 19278, 20349, 21014, 21546, 24174, 25517, 26163, 27018, 28203, 29862, 31521, 36261, 40527, 40698, 44793, 51034, 52326, 56406, 61047, 63042, 72522, 76551, 81054, 84609, 89586, 94563, 108783, 121581, 122094, 153102, 169218, 178619, 183141, 189126, 217566, 229653, 243162, 253827, 283689, 357238, 366282, 459306, 507654, 535857, 567378, 688959, 761481, 851067, 1071714, 1377918, 1522962, 1607571, 1702134, 2066877, 3215142, 4133754, 4822713, 9645426, 14468139, 28936278]

約数ペア:

[(1, 28936278), (2, 14468139), (3, 9645426), (6, 4822713), (7, 4133754), (9, 3215142), (14, 2066877), (17, 1702134), (18, 1607571), (19, 1522962), (21, 1377918), (27, 1071714), (34, 851067), (38, 761481), (42, 688959), (51, 567378), (54, 535857), (57, 507654), (63, 459306), (79, 366282), (81, 357238), (102, 283689), (114, 253827), (119, 243162), (126, 229653), (133, 217566), (153, 189126), (158, 183141), (162, 178619), (171, 169218), (189, 153102), (237, 122094), (238, 121581), (266, 108783), (306, 94563), (323, 89586), (342, 84609), (357, 81054), (378, 76551), (399, 72522), (459, 63042), (474, 61047), (513, 56406), (553, 52326), (567, 51034), (646, 44793), (711, 40698), (714, 40527), (798, 36261), (918, 31521), (969, 29862), (1026, 28203), (1071, 27018), (1106, 26163), (1134, 25517), (1197, 24174), (1343, 21546), (1377, 21014), (1422, 20349), (1501, 19278), (1539, 18802), (1659, 17442), (1938, 14931), (2133, 13566), (2142, 13509), (2261, 12798), (2394, 12087), (2686, 10773), (2754, 10507), (2907, 9954), (3002, 9639), (3078, 9401), (3213, 9006), (3318, 8721), (3591, 8058), (4029, 7182), (4266, 6783), (4503, 6426), (4522, 6399), (4977, 5814)]