204857191

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 279728640

約数和(自身を除く): 74871449

約数列:

[1, 7, 11, 17, 49, 77, 79, 119, 187, 283, 539, 553, 833, 869, 1309, 1343, 1981, 3113, 3871, 4811, 6083, 9163, 9401, 13867, 14773, 21791, 22357, 33677, 42581, 52921, 65807, 103411, 152537, 156499, 235739, 245927, 370447, 380069, 723877, 1095493, 1721489, 2593129, 2660483, 4180759, 12050423, 18623381, 29265313, 204857191]

約数ペア:

[(1, 204857191), (7, 29265313), (11, 18623381), (17, 12050423), (49, 4180759), (77, 2660483), (79, 2593129), (119, 1721489), (187, 1095493), (283, 723877), (539, 380069), (553, 370447), (833, 245927), (869, 235739), (1309, 156499), (1343, 152537), (1981, 103411), (3113, 65807), (3871, 52921), (4811, 42581), (6083, 33677), (9163, 22357), (9401, 21791), (13867, 14773)]