138519904

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3059

約数の個数: 48

約数和(自身を含む): 287594496

約数和(自身を除く): 149074592

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 496, 752, 992, 1457, 1504, 2914, 2971, 5828, 5942, 11656, 11884, 23312, 23768, 46624, 47536, 92101, 95072, 139637, 184202, 279274, 368404, 558548, 736808, 1117096, 1473616, 2234192, 2947232, 4328747, 4468384, 8657494, 17314988, 34629976, 69259952, 138519904]

約数ペア:

[(1, 138519904), (2, 69259952), (4, 34629976), (8, 17314988), (16, 8657494), (31, 4468384), (32, 4328747), (47, 2947232), (62, 2234192), (94, 1473616), (124, 1117096), (188, 736808), (248, 558548), (376, 368404), (496, 279274), (752, 184202), (992, 139637), (1457, 95072), (1504, 92101), (2914, 47536), (2971, 46624), (5828, 23768), (5942, 23312), (11656, 11884)]