28101564

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 73993920

約数和(自身を除く): 45892356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 79, 82, 123, 158, 164, 237, 241, 246, 316, 369, 474, 482, 492, 711, 723, 738, 948, 964, 1422, 1446, 1476, 2169, 2844, 2892, 3239, 4338, 6478, 8676, 9717, 9881, 12956, 19039, 19434, 19762, 29151, 29643, 38078, 38868, 39524, 57117, 58302, 59286, 76156, 88929, 114234, 116604, 118572, 171351, 177858, 228468, 342702, 355716, 685404, 780599, 1561198, 2341797, 3122396, 4683594, 7025391, 9367188, 14050782, 28101564]

約数ペア:

[(1, 28101564), (2, 14050782), (3, 9367188), (4, 7025391), (6, 4683594), (9, 3122396), (12, 2341797), (18, 1561198), (36, 780599), (41, 685404), (79, 355716), (82, 342702), (123, 228468), (158, 177858), (164, 171351), (237, 118572), (241, 116604), (246, 114234), (316, 88929), (369, 76156), (474, 59286), (482, 58302), (492, 57117), (711, 39524), (723, 38868), (738, 38078), (948, 29643), (964, 29151), (1422, 19762), (1446, 19434), (1476, 19039), (2169, 12956), (2844, 9881), (2892, 9717), (3239, 8676), (4338, 6478)]