1288341505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{919}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 1716940800

約数和(自身を除く): 428599295

約数列:

[1, 5, 11, 55, 71, 355, 359, 781, 919, 1795, 3905, 3949, 4595, 10109, 19745, 25489, 50545, 65249, 127445, 280379, 326245, 329921, 717739, 1401895, 1649605, 3588695, 3629131, 18145655, 23424391, 117121955, 257668301, 1288341505]

約数ペア:

[(1, 1288341505), (5, 257668301), (11, 117121955), (55, 23424391), (71, 18145655), (355, 3629131), (359, 3588695), (781, 1649605), (919, 1401895), (1795, 717739), (3905, 329921), (3949, 326245), (4595, 280379), (10109, 127445), (19745, 65249), (25489, 50545)]