855821408

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8329}}^1$

素因数の和:8384

約数の個数: 72

約数和(自身を含む): 1920731400

約数和(自身を除く): 1064909992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 416, 494, 608, 676, 988, 1352, 1976, 2704, 3211, 3952, 5408, 6422, 7904, 8329, 12844, 16658, 25688, 33316, 51376, 66632, 102752, 108277, 133264, 158251, 216554, 266528, 316502, 433108, 633004, 866216, 1266008, 1407601, 1732432, 2057263, 2532016, 2815202, 3464864, 4114526, 5064032, 5630404, 8229052, 11260808, 16458104, 22521616, 26744419, 32916208, 45043232, 53488838, 65832416, 106977676, 213955352, 427910704, 855821408]

約数ペア:

[(1, 855821408), (2, 427910704), (4, 213955352), (8, 106977676), (13, 65832416), (16, 53488838), (19, 45043232), (26, 32916208), (32, 26744419), (38, 22521616), (52, 16458104), (76, 11260808), (104, 8229052), (152, 5630404), (169, 5064032), (208, 4114526), (247, 3464864), (304, 2815202), (338, 2532016), (416, 2057263), (494, 1732432), (608, 1407601), (676, 1266008), (988, 866216), (1352, 633004), (1976, 433108), (2704, 316502), (3211, 266528), (3952, 216554), (5408, 158251), (6422, 133264), (7904, 108277), (8329, 102752), (12844, 66632), (16658, 51376), (25688, 33316)]