221207376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15413}}^1$

素因数の和:15460

約数の個数: 80

約数和(自身を含む): 642208896

約数和(自身を除く): 421001520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 15413, 30826, 46239, 61652, 92478, 123304, 184956, 200369, 246608, 354499, 369912, 400738, 601107, 708998, 739824, 801476, 1063497, 1202214, 1417996, 1602952, 2126994, 2404428, 2835992, 3205904, 4253988, 4608487, 4808856, 5671984, 8507976, 9216974, 9617712, 13825461, 17015952, 18433948, 27650922, 36867896, 55301844, 73735792, 110603688, 221207376]

約数ペア:

[(1, 221207376), (2, 110603688), (3, 73735792), (4, 55301844), (6, 36867896), (8, 27650922), (12, 18433948), (13, 17015952), (16, 13825461), (23, 9617712), (24, 9216974), (26, 8507976), (39, 5671984), (46, 4808856), (48, 4608487), (52, 4253988), (69, 3205904), (78, 2835992), (92, 2404428), (104, 2126994), (138, 1602952), (156, 1417996), (184, 1202214), (208, 1063497), (276, 801476), (299, 739824), (312, 708998), (368, 601107), (552, 400738), (598, 369912), (624, 354499), (897, 246608), (1104, 200369), (1196, 184956), (1794, 123304), (2392, 92478), (3588, 61652), (4784, 46239), (7176, 30826), (14352, 15413)]