165997312

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 368574080

約数和(自身を除く): 202576768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1609, 1612, 1664, 1984, 3218, 3224, 3328, 3968, 6436, 6448, 7936, 12872, 12896, 20917, 25744, 25792, 41834, 49879, 51488, 51584, 83668, 99758, 102976, 103168, 167336, 199516, 205952, 334672, 399032, 411904, 648427, 669344, 798064, 1296854, 1338688, 1596128, 2593708, 2677376, 3192256, 5187416, 5354752, 6384512, 10374832, 12769024, 20749664, 41499328, 82998656, 165997312]

約数ペア:

[(1, 165997312), (2, 82998656), (4, 41499328), (8, 20749664), (13, 12769024), (16, 10374832), (26, 6384512), (31, 5354752), (32, 5187416), (52, 3192256), (62, 2677376), (64, 2593708), (104, 1596128), (124, 1338688), (128, 1296854), (208, 798064), (248, 669344), (256, 648427), (403, 411904), (416, 399032), (496, 334672), (806, 205952), (832, 199516), (992, 167336), (1609, 103168), (1612, 102976), (1664, 99758), (1984, 83668), (3218, 51584), (3224, 51488), (3328, 49879), (3968, 41834), (6436, 25792), (6448, 25744), (7936, 20917), (12872, 12896)]