397752784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 910191744

約数和(自身を除く): 512438960

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 263, 286, 526, 572, 661, 1052, 1144, 1322, 2104, 2288, 2644, 2893, 3419, 4208, 5288, 5786, 6838, 7271, 8593, 10576, 11572, 13676, 14542, 17186, 23144, 27352, 29084, 34372, 37609, 46288, 54704, 58168, 68744, 75218, 94523, 116336, 137488, 150436, 173843, 189046, 300872, 347686, 378092, 601744, 695372, 756184, 1390744, 1512368, 1912273, 2259959, 2781488, 3824546, 4519918, 7649092, 9039836, 15298184, 18079672, 24859549, 30596368, 36159344, 49719098, 99438196, 198876392, 397752784]

約数ペア:

[(1, 397752784), (2, 198876392), (4, 99438196), (8, 49719098), (11, 36159344), (13, 30596368), (16, 24859549), (22, 18079672), (26, 15298184), (44, 9039836), (52, 7649092), (88, 4519918), (104, 3824546), (143, 2781488), (176, 2259959), (208, 1912273), (263, 1512368), (286, 1390744), (526, 756184), (572, 695372), (661, 601744), (1052, 378092), (1144, 347686), (1322, 300872), (2104, 189046), (2288, 173843), (2644, 150436), (2893, 137488), (3419, 116336), (4208, 94523), (5288, 75218), (5786, 68744), (6838, 58168), (7271, 54704), (8593, 46288), (10576, 37609), (11572, 34372), (13676, 29084), (14542, 27352), (17186, 23144)]