28006472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5081}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 57629880

約数和(自身を除く): 29623408

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5081, 5512, 10162, 20324, 40648, 66053, 132106, 264212, 269293, 528424, 538586, 1077172, 2154344, 3500809, 7001618, 14003236, 28006472]

約数ペア:

[(1, 28006472), (2, 14003236), (4, 7001618), (8, 3500809), (13, 2154344), (26, 1077172), (52, 538586), (53, 528424), (104, 269293), (106, 264212), (212, 132106), (424, 66053), (689, 40648), (1378, 20324), (2756, 10162), (5081, 5512)]