8989318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 15805440

約数和(自身を除く): 6816122

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 587, 589, 806, 1174, 1178, 7631, 7657, 11153, 15262, 15314, 18197, 22306, 36394, 144989, 236561, 289978, 345743, 473122, 691486, 4494659, 8989318]

約数ペア:

[(1, 8989318), (2, 4494659), (13, 691486), (19, 473122), (26, 345743), (31, 289978), (38, 236561), (62, 144989), (247, 36394), (403, 22306), (494, 18197), (587, 15314), (589, 15262), (806, 11153), (1174, 7657), (1178, 7631)]