78917806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 131725440

約数和(自身を除く): 52807634

約数列:

[1, 2, 11, 22, 131, 139, 197, 262, 278, 394, 1441, 1529, 2167, 2882, 3058, 4334, 18209, 25807, 27383, 36418, 51614, 54766, 200299, 283877, 301213, 400598, 567754, 602426, 3587173, 7174346, 39458903, 78917806]

約数ペア:

[(1, 78917806), (2, 39458903), (11, 7174346), (22, 3587173), (131, 602426), (139, 567754), (197, 400598), (262, 301213), (278, 283877), (394, 200299), (1441, 54766), (1529, 51614), (2167, 36418), (2882, 27383), (3058, 25807), (4334, 18209)]