321145664

素因数分解:

$2^6\times 7^1\times {\mathrm{719}}^1\times {\mathrm{997}}^1$

素因数の和:1735

約数の個数: 56

約数和(自身を含む): 730056960

約数和(自身を除く): 408911296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 719, 997, 1438, 1994, 2876, 3988, 5033, 5752, 6979, 7976, 10066, 11504, 13958, 15952, 20132, 23008, 27916, 31904, 40264, 46016, 55832, 63808, 80528, 111664, 161056, 223328, 322112, 446656, 716843, 1433686, 2867372, 5017901, 5734744, 10035802, 11469488, 20071604, 22938976, 40143208, 45877952, 80286416, 160572832, 321145664]

約数ペア:

[(1, 321145664), (2, 160572832), (4, 80286416), (7, 45877952), (8, 40143208), (14, 22938976), (16, 20071604), (28, 11469488), (32, 10035802), (56, 5734744), (64, 5017901), (112, 2867372), (224, 1433686), (448, 716843), (719, 446656), (997, 322112), (1438, 223328), (1994, 161056), (2876, 111664), (3988, 80528), (5033, 63808), (5752, 55832), (6979, 46016), (7976, 40264), (10066, 31904), (11504, 27916), (13958, 23008), (15952, 20132)]