1921504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 4233600

約数和(自身を除く): 2312096

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 149, 208, 248, 298, 403, 416, 496, 596, 806, 992, 1192, 1612, 1937, 2384, 3224, 3874, 4619, 4768, 6448, 7748, 9238, 12896, 15496, 18476, 30992, 36952, 60047, 61984, 73904, 120094, 147808, 240188, 480376, 960752, 1921504]

約数ペア:

[(1, 1921504), (2, 960752), (4, 480376), (8, 240188), (13, 147808), (16, 120094), (26, 73904), (31, 61984), (32, 60047), (52, 36952), (62, 30992), (104, 18476), (124, 15496), (149, 12896), (208, 9238), (248, 7748), (298, 6448), (403, 4768), (416, 4619), (496, 3874), (596, 3224), (806, 2384), (992, 1937), (1192, 1612)]