138880768

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 309052800

約数和(自身を除く): 170172032

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 377, 416, 464, 754, 832, 928, 1439, 1508, 1664, 1856, 2878, 3016, 3328, 3712, 5756, 6032, 7424, 11512, 12064, 18707, 23024, 24128, 37414, 41731, 46048, 48256, 74828, 83462, 92096, 96512, 149656, 166924, 184192, 299312, 333848, 368384, 542503, 598624, 667696, 1085006, 1197248, 1335392, 2170012, 2394496, 2670784, 4340024, 4788992, 5341568, 8680048, 10683136, 17360096, 34720192, 69440384, 138880768]

約数ペア:

[(1, 138880768), (2, 69440384), (4, 34720192), (8, 17360096), (13, 10683136), (16, 8680048), (26, 5341568), (29, 4788992), (32, 4340024), (52, 2670784), (58, 2394496), (64, 2170012), (104, 1335392), (116, 1197248), (128, 1085006), (208, 667696), (232, 598624), (256, 542503), (377, 368384), (416, 333848), (464, 299312), (754, 184192), (832, 166924), (928, 149656), (1439, 96512), (1508, 92096), (1664, 83462), (1856, 74828), (2878, 48256), (3016, 46048), (3328, 41731), (3712, 37414), (5756, 24128), (6032, 23024), (7424, 18707), (11512, 12064)]