221404768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6737}}^1$

素因数の和:6839

約数の個数: 48

約数和(自身を含む): 475433280

約数和(自身を除く): 254028512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 1027, 1264, 2054, 2528, 4108, 6737, 8216, 13474, 16432, 26948, 32864, 53896, 87581, 107792, 175162, 215584, 350324, 532223, 700648, 1064446, 1401296, 2128892, 2802592, 4257784, 6918899, 8515568, 13837798, 17031136, 27675596, 55351192, 110702384, 221404768]

約数ペア:

[(1, 221404768), (2, 110702384), (4, 55351192), (8, 27675596), (13, 17031136), (16, 13837798), (26, 8515568), (32, 6918899), (52, 4257784), (79, 2802592), (104, 2128892), (158, 1401296), (208, 1064446), (316, 700648), (416, 532223), (632, 350324), (1027, 215584), (1264, 175162), (2054, 107792), (2528, 87581), (4108, 53896), (6737, 32864), (8216, 26948), (13474, 16432)]