28227056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 80

約数和(自身を含む): 65516640

約数和(自身を除く): 37289584

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 73, 88, 104, 143, 146, 169, 176, 208, 286, 292, 338, 572, 584, 676, 803, 949, 1144, 1168, 1352, 1606, 1859, 1898, 2197, 2288, 2704, 3212, 3718, 3796, 4394, 6424, 7436, 7592, 8788, 10439, 12337, 12848, 14872, 15184, 17576, 20878, 24167, 24674, 29744, 35152, 41756, 48334, 49348, 83512, 96668, 98696, 135707, 160381, 167024, 193336, 197392, 271414, 320762, 386672, 542828, 641524, 1085656, 1283048, 1764191, 2171312, 2566096, 3528382, 7056764, 14113528, 28227056]

約数ペア:

[(1, 28227056), (2, 14113528), (4, 7056764), (8, 3528382), (11, 2566096), (13, 2171312), (16, 1764191), (22, 1283048), (26, 1085656), (44, 641524), (52, 542828), (73, 386672), (88, 320762), (104, 271414), (143, 197392), (146, 193336), (169, 167024), (176, 160381), (208, 135707), (286, 98696), (292, 96668), (338, 83512), (572, 49348), (584, 48334), (676, 41756), (803, 35152), (949, 29744), (1144, 24674), (1168, 24167), (1352, 20878), (1606, 17576), (1859, 15184), (1898, 14872), (2197, 12848), (2288, 12337), (2704, 10439), (3212, 8788), (3718, 7592), (3796, 7436), (4394, 6424)]