228142278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2779

約数の個数: 128

約数和(自身を含む): 660925440

約数和(自身を除く): 432783162

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 663, 702, 714, 819, 918, 1071, 1326, 1547, 1638, 1989, 2142, 2457, 2731, 3094, 3213, 3978, 4641, 4914, 5462, 5967, 6426, 8193, 9282, 11934, 13923, 16386, 19117, 24579, 27846, 35503, 38234, 41769, 46427, 49158, 57351, 71006, 73737, 83538, 92854, 106509, 114702, 139281, 147474, 172053, 213018, 248521, 278562, 319527, 324989, 344106, 417843, 497042, 516159, 603551, 639054, 649978, 745563, 835686, 958581, 974967, 1032318, 1207102, 1253529, 1491126, 1810653, 1917162, 1949934, 2236689, 2507058, 2924901, 3621306, 4224857, 4473378, 5431959, 5849802, 6710067, 8449714, 8774703, 10863918, 12674571, 13420134, 16295877, 17549406, 25349142, 32591754, 38023713, 76047426, 114071139, 228142278]

約数ペア:

[(1, 228142278), (2, 114071139), (3, 76047426), (6, 38023713), (7, 32591754), (9, 25349142), (13, 17549406), (14, 16295877), (17, 13420134), (18, 12674571), (21, 10863918), (26, 8774703), (27, 8449714), (34, 6710067), (39, 5849802), (42, 5431959), (51, 4473378), (54, 4224857), (63, 3621306), (78, 2924901), (91, 2507058), (102, 2236689), (117, 1949934), (119, 1917162), (126, 1810653), (153, 1491126), (182, 1253529), (189, 1207102), (221, 1032318), (234, 974967), (238, 958581), (273, 835686), (306, 745563), (351, 649978), (357, 639054), (378, 603551), (442, 516159), (459, 497042), (546, 417843), (663, 344106), (702, 324989), (714, 319527), (819, 278562), (918, 248521), (1071, 213018), (1326, 172053), (1547, 147474), (1638, 139281), (1989, 114702), (2142, 106509), (2457, 92854), (2731, 83538), (3094, 73737), (3213, 71006), (3978, 57351), (4641, 49158), (4914, 46427), (5462, 41769), (5967, 38234), (6426, 35503), (8193, 27846), (9282, 24579), (11934, 19117), (13923, 16386)]