87122828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 174636000

約数和(自身を除く): 87513172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 218, 247, 436, 494, 809, 988, 1417, 1618, 2071, 2834, 3236, 4142, 5668, 8284, 10517, 15371, 21034, 26923, 30742, 42068, 53846, 61484, 88181, 107692, 176362, 199823, 352724, 399646, 799292, 1146353, 1675439, 2292706, 3350878, 4585412, 6701756, 21780707, 43561414, 87122828]

約数ペア:

[(1, 87122828), (2, 43561414), (4, 21780707), (13, 6701756), (19, 4585412), (26, 3350878), (38, 2292706), (52, 1675439), (76, 1146353), (109, 799292), (218, 399646), (247, 352724), (436, 199823), (494, 176362), (809, 107692), (988, 88181), (1417, 61484), (1618, 53846), (2071, 42068), (2834, 30742), (3236, 26923), (4142, 21034), (5668, 15371), (8284, 10517)]