1987818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 4976640

約数和(自身を除く): 2988822

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 53, 57, 94, 106, 114, 133, 141, 159, 266, 282, 318, 329, 371, 399, 658, 742, 798, 893, 987, 1007, 1113, 1786, 1974, 2014, 2226, 2491, 2679, 3021, 4982, 5358, 6042, 6251, 7049, 7473, 12502, 14098, 14946, 17437, 18753, 21147, 34874, 37506, 42294, 47329, 52311, 94658, 104622, 141987, 283974, 331303, 662606, 993909, 1987818]

約数ペア:

[(1, 1987818), (2, 993909), (3, 662606), (6, 331303), (7, 283974), (14, 141987), (19, 104622), (21, 94658), (38, 52311), (42, 47329), (47, 42294), (53, 37506), (57, 34874), (94, 21147), (106, 18753), (114, 17437), (133, 14946), (141, 14098), (159, 12502), (266, 7473), (282, 7049), (318, 6251), (329, 6042), (371, 5358), (399, 4982), (658, 3021), (742, 2679), (798, 2491), (893, 2226), (987, 2014), (1007, 1974), (1113, 1786)]