642891808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{37693}}^1$

素因数の和:37757

約数の個数: 48

約数和(自身を含む): 1396336536

約数和(自身を除く): 753444728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 4264, 8528, 17056, 37693, 75386, 150772, 301544, 490009, 603088, 980018, 1206176, 1545413, 1960036, 3090826, 3920072, 6181652, 7840144, 12363304, 15680288, 20090369, 24726608, 40180738, 49453216, 80361476, 160722952, 321445904, 642891808]

約数ペア:

[(1, 642891808), (2, 321445904), (4, 160722952), (8, 80361476), (13, 49453216), (16, 40180738), (26, 24726608), (32, 20090369), (41, 15680288), (52, 12363304), (82, 7840144), (104, 6181652), (164, 3920072), (208, 3090826), (328, 1960036), (416, 1545413), (533, 1206176), (656, 980018), (1066, 603088), (1312, 490009), (2132, 301544), (4264, 150772), (8528, 75386), (17056, 37693)]