1288658755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 1681162560

約数和(自身を除く): 392503805

約数列:

[1, 5, 19, 37, 95, 185, 197, 703, 985, 1861, 3515, 3743, 7289, 9305, 18715, 35359, 36445, 68857, 138491, 176795, 344285, 366617, 692455, 1308283, 1833085, 6541415, 6965723, 13564829, 34828615, 67824145, 257731751, 1288658755]

約数ペア:

[(1, 1288658755), (5, 257731751), (19, 67824145), (37, 34828615), (95, 13564829), (185, 6965723), (197, 6541415), (703, 1833085), (985, 1308283), (1861, 692455), (3515, 366617), (3743, 344285), (7289, 176795), (9305, 138491), (18715, 68857), (35359, 36445)]