208608816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1697}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 583650144

約数和(自身を除く): 375041328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 197, 208, 312, 394, 591, 624, 788, 1182, 1576, 1697, 2364, 2561, 3152, 3394, 4728, 5091, 5122, 6788, 7683, 9456, 10182, 10244, 13576, 15366, 20364, 20488, 22061, 27152, 30732, 40728, 40976, 44122, 61464, 66183, 81456, 88244, 122928, 132366, 176488, 264732, 334309, 352976, 529464, 668618, 1002927, 1058928, 1337236, 2005854, 2674472, 4011708, 4346017, 5348944, 8023416, 8692034, 13038051, 16046832, 17384068, 26076102, 34768136, 52152204, 69536272, 104304408, 208608816]

約数ペア:

[(1, 208608816), (2, 104304408), (3, 69536272), (4, 52152204), (6, 34768136), (8, 26076102), (12, 17384068), (13, 16046832), (16, 13038051), (24, 8692034), (26, 8023416), (39, 5348944), (48, 4346017), (52, 4011708), (78, 2674472), (104, 2005854), (156, 1337236), (197, 1058928), (208, 1002927), (312, 668618), (394, 529464), (591, 352976), (624, 334309), (788, 264732), (1182, 176488), (1576, 132366), (1697, 122928), (2364, 88244), (2561, 81456), (3152, 66183), (3394, 61464), (4728, 44122), (5091, 40976), (5122, 40728), (6788, 30732), (7683, 27152), (9456, 22061), (10182, 20488), (10244, 20364), (13576, 15366)]