28542568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 56056320

約数和(自身を除く): 27513752

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1621, 2201, 3242, 4402, 6484, 8804, 12968, 17608, 50251, 100502, 115091, 201004, 230182, 402008, 460364, 920728, 3567821, 7135642, 14271284, 28542568]

約数ペア:

[(1, 28542568), (2, 14271284), (4, 7135642), (8, 3567821), (31, 920728), (62, 460364), (71, 402008), (124, 230182), (142, 201004), (248, 115091), (284, 100502), (568, 50251), (1621, 17608), (2201, 12968), (3242, 8804), (4402, 6484)]