77971744

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 162540000

約数和(自身を除く): 84568256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 257, 304, 499, 514, 608, 998, 1028, 1996, 2056, 3992, 4112, 4883, 7984, 8224, 9481, 9766, 15968, 18962, 19532, 37924, 39064, 75848, 78128, 128243, 151696, 156256, 256486, 303392, 512972, 1025944, 2051888, 2436617, 4103776, 4873234, 9746468, 19492936, 38985872, 77971744]

約数ペア:

[(1, 77971744), (2, 38985872), (4, 19492936), (8, 9746468), (16, 4873234), (19, 4103776), (32, 2436617), (38, 2051888), (76, 1025944), (152, 512972), (257, 303392), (304, 256486), (499, 156256), (514, 151696), (608, 128243), (998, 78128), (1028, 75848), (1996, 39064), (2056, 37924), (3992, 19532), (4112, 18962), (4883, 15968), (7984, 9766), (8224, 9481)]