128501890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{8527}}^1$

素因数の和:8682

約数の個数: 32

約数和(自身を含む): 254202624

約数和(自身を除く): 125700734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1507, 3014, 7535, 8527, 15070, 17054, 42635, 85270, 93797, 187594, 468985, 937970, 1168199, 2336398, 5840995, 11681990, 12850189, 25700378, 64250945, 128501890]

約数ペア:

[(1, 128501890), (2, 64250945), (5, 25700378), (10, 12850189), (11, 11681990), (22, 5840995), (55, 2336398), (110, 1168199), (137, 937970), (274, 468985), (685, 187594), (1370, 93797), (1507, 85270), (3014, 42635), (7535, 17054), (8527, 15070)]