1987340135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1\times {\mathrm{1031}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 2637494784

約数和(自身を除く): 650154649

約数列:

[1, 5, 11, 55, 101, 347, 505, 1031, 1111, 1735, 3817, 5155, 5555, 11341, 19085, 35047, 56705, 104131, 175235, 357757, 385517, 520655, 1145441, 1788785, 1927585, 3935327, 5727205, 19676635, 36133457, 180667285, 397468027, 1987340135]

約数ペア:

[(1, 1987340135), (5, 397468027), (11, 180667285), (55, 36133457), (101, 19676635), (347, 5727205), (505, 3935327), (1031, 1927585), (1111, 1788785), (1735, 1145441), (3817, 520655), (5155, 385517), (5555, 357757), (11341, 175235), (19085, 104131), (35047, 56705)]