28222870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3640

約数の個数: 32

約数和(自身を含む): 55621440

約数和(自身を除く): 27398570

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3559, 3965, 7118, 7930, 17795, 35590, 46267, 92534, 217099, 231335, 434198, 462670, 1085495, 2170990, 2822287, 5644574, 14111435, 28222870]

約数ペア:

[(1, 28222870), (2, 14111435), (5, 5644574), (10, 2822287), (13, 2170990), (26, 1085495), (61, 462670), (65, 434198), (122, 231335), (130, 217099), (305, 92534), (610, 46267), (793, 35590), (1586, 17795), (3559, 7930), (3965, 7118)]