208494624

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 604304064

約数和(自身を除く): 395809440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 71, 78, 96, 104, 142, 156, 169, 181, 208, 213, 284, 312, 338, 362, 416, 426, 507, 543, 568, 624, 676, 724, 852, 923, 1014, 1086, 1136, 1248, 1352, 1448, 1704, 1846, 2028, 2172, 2272, 2353, 2704, 2769, 2896, 3408, 3692, 4056, 4344, 4706, 5408, 5538, 5792, 6816, 7059, 7384, 8112, 8688, 9412, 11076, 11999, 12851, 14118, 14768, 16224, 17376, 18824, 22152, 23998, 25702, 28236, 29536, 30589, 35997, 37648, 38553, 44304, 47996, 51404, 56472, 61178, 71994, 75296, 77106, 88608, 91767, 95992, 102808, 112944, 122356, 143988, 154212, 167063, 183534, 191984, 205616, 225888, 244712, 287976, 308424, 334126, 367068, 383968, 411232, 489424, 501189, 575952, 616848, 668252, 734136, 978848, 1002378, 1151904, 1233696, 1336504, 1468272, 2004756, 2171819, 2673008, 2936544, 4009512, 4343638, 5346016, 6515457, 8019024, 8687276, 13030914, 16038048, 17374552, 26061828, 34749104, 52123656, 69498208, 104247312, 208494624]

約数ペア:

[(1, 208494624), (2, 104247312), (3, 69498208), (4, 52123656), (6, 34749104), (8, 26061828), (12, 17374552), (13, 16038048), (16, 13030914), (24, 8687276), (26, 8019024), (32, 6515457), (39, 5346016), (48, 4343638), (52, 4009512), (71, 2936544), (78, 2673008), (96, 2171819), (104, 2004756), (142, 1468272), (156, 1336504), (169, 1233696), (181, 1151904), (208, 1002378), (213, 978848), (284, 734136), (312, 668252), (338, 616848), (362, 575952), (416, 501189), (426, 489424), (507, 411232), (543, 383968), (568, 367068), (624, 334126), (676, 308424), (724, 287976), (852, 244712), (923, 225888), (1014, 205616), (1086, 191984), (1136, 183534), (1248, 167063), (1352, 154212), (1448, 143988), (1704, 122356), (1846, 112944), (2028, 102808), (2172, 95992), (2272, 91767), (2353, 88608), (2704, 77106), (2769, 75296), (2896, 71994), (3408, 61178), (3692, 56472), (4056, 51404), (4344, 47996), (4706, 44304), (5408, 38553), (5538, 37648), (5792, 35997), (6816, 30589), (7059, 29536), (7384, 28236), (8112, 25702), (8688, 23998), (9412, 22152), (11076, 18824), (11999, 17376), (12851, 16224), (14118, 14768)]