28398128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 60330960

約数和(自身を除く): 31932832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 317, 509, 634, 1018, 1268, 2036, 2536, 3487, 4072, 5072, 5599, 6974, 8144, 11198, 13948, 22396, 27896, 44792, 55792, 89584, 161353, 322706, 645412, 1290824, 1774883, 2581648, 3549766, 7099532, 14199064, 28398128]

約数ペア:

[(1, 28398128), (2, 14199064), (4, 7099532), (8, 3549766), (11, 2581648), (16, 1774883), (22, 1290824), (44, 645412), (88, 322706), (176, 161353), (317, 89584), (509, 55792), (634, 44792), (1018, 27896), (1268, 22396), (2036, 13948), (2536, 11198), (3487, 8144), (4072, 6974), (5072, 5599)]