265296512

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 607756800

約数和(自身を除く): 342460288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 64, 74, 104, 124, 128, 139, 148, 208, 248, 278, 296, 403, 416, 481, 496, 556, 592, 806, 832, 962, 992, 1112, 1147, 1184, 1612, 1664, 1807, 1924, 1984, 2224, 2294, 2368, 3224, 3614, 3848, 3968, 4309, 4448, 4588, 4736, 5143, 6448, 7228, 7696, 8618, 8896, 9176, 10286, 12896, 14456, 14911, 15392, 17236, 17792, 18352, 20572, 25792, 28912, 29822, 30784, 34472, 36704, 41144, 51584, 56017, 57824, 59644, 61568, 66859, 68944, 73408, 82288, 112034, 115648, 119288, 133718, 137888, 146816, 159433, 164576, 224068, 231296, 238576, 267436, 275776, 318866, 329152, 448136, 477152, 534872, 551552, 637732, 658304, 896272, 954304, 1069744, 1275464, 1792544, 1908608, 2072629, 2139488, 2550928, 3585088, 4145258, 4278976, 5101856, 7170176, 8290516, 8557952, 10203712, 16581032, 20407424, 33162064, 66324128, 132648256, 265296512]

約数ペア:

[(1, 265296512), (2, 132648256), (4, 66324128), (8, 33162064), (13, 20407424), (16, 16581032), (26, 10203712), (31, 8557952), (32, 8290516), (37, 7170176), (52, 5101856), (62, 4278976), (64, 4145258), (74, 3585088), (104, 2550928), (124, 2139488), (128, 2072629), (139, 1908608), (148, 1792544), (208, 1275464), (248, 1069744), (278, 954304), (296, 896272), (403, 658304), (416, 637732), (481, 551552), (496, 534872), (556, 477152), (592, 448136), (806, 329152), (832, 318866), (962, 275776), (992, 267436), (1112, 238576), (1147, 231296), (1184, 224068), (1612, 164576), (1664, 159433), (1807, 146816), (1924, 137888), (1984, 133718), (2224, 119288), (2294, 115648), (2368, 112034), (3224, 82288), (3614, 73408), (3848, 68944), (3968, 66859), (4309, 61568), (4448, 59644), (4588, 57824), (4736, 56017), (5143, 51584), (6448, 41144), (7228, 36704), (7696, 34472), (8618, 30784), (8896, 29822), (9176, 28912), (10286, 25792), (12896, 20572), (14456, 18352), (14911, 17792), (15392, 17236)]