56231812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 127695960

約数和(自身を除く): 71464148

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 364, 377, 406, 637, 754, 761, 812, 1274, 1421, 1508, 1522, 2548, 2639, 2842, 3044, 5278, 5327, 5684, 9893, 10556, 10654, 18473, 19786, 21308, 22069, 36946, 37289, 39572, 44138, 69251, 73892, 74578, 88276, 138502, 149156, 154483, 277004, 286897, 308966, 484757, 573794, 617932, 969514, 1081381, 1147588, 1939028, 2008279, 2162762, 4016558, 4325524, 8033116, 14057953, 28115906, 56231812]

約数ペア:

[(1, 56231812), (2, 28115906), (4, 14057953), (7, 8033116), (13, 4325524), (14, 4016558), (26, 2162762), (28, 2008279), (29, 1939028), (49, 1147588), (52, 1081381), (58, 969514), (91, 617932), (98, 573794), (116, 484757), (182, 308966), (196, 286897), (203, 277004), (364, 154483), (377, 149156), (406, 138502), (637, 88276), (754, 74578), (761, 73892), (812, 69251), (1274, 44138), (1421, 39572), (1508, 37289), (1522, 36946), (2548, 22069), (2639, 21308), (2842, 19786), (3044, 18473), (5278, 10654), (5327, 10556), (5684, 9893)]