161662004

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 330691200

約数和(自身を除く): 169029196

約数列:

[1, 2, 4, 7, 14, 28, 73, 139, 146, 278, 292, 511, 556, 569, 973, 1022, 1138, 1946, 2044, 2276, 3892, 3983, 7966, 10147, 15932, 20294, 40588, 41537, 71029, 79091, 83074, 142058, 158182, 166148, 284116, 290759, 316364, 553637, 581518, 1107274, 1163036, 2214548, 5773643, 11547286, 23094572, 40415501, 80831002, 161662004]

約数ペア:

[(1, 161662004), (2, 80831002), (4, 40415501), (7, 23094572), (14, 11547286), (28, 5773643), (73, 2214548), (139, 1163036), (146, 1107274), (278, 581518), (292, 553637), (511, 316364), (556, 290759), (569, 284116), (973, 166148), (1022, 158182), (1138, 142058), (1946, 83074), (2044, 79091), (2276, 71029), (3892, 41537), (3983, 40588), (7966, 20294), (10147, 15932)]