131476384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{997}}^1$

素因数の和:1337

約数の個数: 48

約数和(自身を含む): 279915048

約数和(自身を除く): 148438664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 317, 416, 634, 997, 1268, 1994, 2536, 3988, 4121, 5072, 7976, 8242, 10144, 12961, 15952, 16484, 25922, 31904, 32968, 51844, 65936, 103688, 131872, 207376, 316049, 414752, 632098, 1264196, 2528392, 4108637, 5056784, 8217274, 10113568, 16434548, 32869096, 65738192, 131476384]

約数ペア:

[(1, 131476384), (2, 65738192), (4, 32869096), (8, 16434548), (13, 10113568), (16, 8217274), (26, 5056784), (32, 4108637), (52, 2528392), (104, 1264196), (208, 632098), (317, 414752), (416, 316049), (634, 207376), (997, 131872), (1268, 103688), (1994, 65936), (2536, 51844), (3988, 32968), (4121, 31904), (5072, 25922), (7976, 16484), (8242, 15952), (10144, 12961)]