231955308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 633432800

約数和(自身を除く): 401477492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 439, 468, 878, 1129, 1317, 1756, 2258, 2634, 3387, 3951, 4516, 5268, 5707, 6774, 7902, 10161, 11414, 13548, 14677, 15804, 17121, 20322, 22828, 29354, 34242, 40644, 44031, 51363, 58708, 68484, 88062, 102726, 132093, 176124, 205452, 264186, 495631, 528372, 991262, 1486893, 1982524, 2973786, 4460679, 5947572, 6443203, 8921358, 12886406, 17842716, 19329609, 25772812, 38659218, 57988827, 77318436, 115977654, 231955308]

約数ペア:

[(1, 231955308), (2, 115977654), (3, 77318436), (4, 57988827), (6, 38659218), (9, 25772812), (12, 19329609), (13, 17842716), (18, 12886406), (26, 8921358), (36, 6443203), (39, 5947572), (52, 4460679), (78, 2973786), (117, 1982524), (156, 1486893), (234, 991262), (439, 528372), (468, 495631), (878, 264186), (1129, 205452), (1317, 176124), (1756, 132093), (2258, 102726), (2634, 88062), (3387, 68484), (3951, 58708), (4516, 51363), (5268, 44031), (5707, 40644), (6774, 34242), (7902, 29354), (10161, 22828), (11414, 20322), (13548, 17121), (14677, 15804)]