221208848

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 518062080

約数和(自身を除く): 296853232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 79, 92, 112, 158, 161, 184, 316, 322, 368, 553, 632, 644, 1087, 1106, 1264, 1288, 1817, 2174, 2212, 2576, 3634, 4348, 4424, 7268, 7609, 8696, 8848, 12719, 14536, 15218, 17392, 25001, 25438, 29072, 30436, 50002, 50876, 60872, 85873, 100004, 101752, 121744, 171746, 175007, 200008, 203504, 343492, 350014, 400016, 601111, 686984, 700028, 1202222, 1373968, 1400056, 1975079, 2404444, 2800112, 3950158, 4808888, 7900316, 9617776, 13825553, 15800632, 27651106, 31601264, 55302212, 110604424, 221208848]

約数ペア:

[(1, 221208848), (2, 110604424), (4, 55302212), (7, 31601264), (8, 27651106), (14, 15800632), (16, 13825553), (23, 9617776), (28, 7900316), (46, 4808888), (56, 3950158), (79, 2800112), (92, 2404444), (112, 1975079), (158, 1400056), (161, 1373968), (184, 1202222), (316, 700028), (322, 686984), (368, 601111), (553, 400016), (632, 350014), (644, 343492), (1087, 203504), (1106, 200008), (1264, 175007), (1288, 171746), (1817, 121744), (2174, 101752), (2212, 100004), (2576, 85873), (3634, 60872), (4348, 50876), (4424, 50002), (7268, 30436), (7609, 29072), (8696, 25438), (8848, 25001), (12719, 17392), (14536, 15218)]