28921424

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3637}}^1$

素因数の和:3723

約数の個数: 40

約数和(自身を含む): 64960128

約数和(自身を除く): 36038704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3637, 3976, 7274, 7952, 14548, 25459, 29096, 50918, 58192, 101836, 203672, 258227, 407344, 516454, 1032908, 1807589, 2065816, 3615178, 4131632, 7230356, 14460712, 28921424]

約数ペア:

[(1, 28921424), (2, 14460712), (4, 7230356), (7, 4131632), (8, 3615178), (14, 2065816), (16, 1807589), (28, 1032908), (56, 516454), (71, 407344), (112, 258227), (142, 203672), (284, 101836), (497, 58192), (568, 50918), (994, 29096), (1136, 25459), (1988, 14548), (3637, 7952), (3976, 7274)]