78798128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1365

約数の個数: 40

約数和(自身を含む): 162400320

約数和(自身を除く): 83602192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 271, 272, 542, 1069, 1084, 2138, 2168, 4276, 4336, 4607, 8552, 9214, 17104, 18173, 18428, 36346, 36856, 72692, 73712, 145384, 289699, 290768, 579398, 1158796, 2317592, 4635184, 4924883, 9849766, 19699532, 39399064, 78798128]

約数ペア:

[(1, 78798128), (2, 39399064), (4, 19699532), (8, 9849766), (16, 4924883), (17, 4635184), (34, 2317592), (68, 1158796), (136, 579398), (271, 290768), (272, 289699), (542, 145384), (1069, 73712), (1084, 72692), (2138, 36856), (2168, 36346), (4276, 18428), (4336, 18173), (4607, 17104), (8552, 9214)]