128478343184

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{683}}^1\times {\mathrm{405407}}^1$

素因数の和:406127

約数の個数: 40

約数和(自身を含む): 257888136960

約数和(自身を除く): 129409793776

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 683, 1366, 2732, 5464, 10928, 19807, 39614, 79228, 158456, 316912, 405407, 810814, 1621628, 3243256, 6486512, 11756803, 23513606, 47027212, 94054424, 188108848, 276892981, 553785962, 1107571924, 2215143848, 4430287696, 8029896449, 16059792898, 32119585796, 64239171592, 128478343184]

約数ペア:

[(1, 128478343184), (2, 64239171592), (4, 32119585796), (8, 16059792898), (16, 8029896449), (29, 4430287696), (58, 2215143848), (116, 1107571924), (232, 553785962), (464, 276892981), (683, 188108848), (1366, 94054424), (2732, 47027212), (5464, 23513606), (10928, 11756803), (19807, 6486512), (39614, 3243256), (79228, 1621628), (158456, 810814), (316912, 405407)]