289651310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{6421}}^1$

素因数の和:6788

約数の個数: 32

約数和(自身を含む): 563183712

約数和(自身を除く): 273532402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 347, 694, 1735, 3470, 4511, 6421, 9022, 12842, 22555, 32105, 45110, 64210, 83473, 166946, 417365, 834730, 2228087, 4456174, 11140435, 22280870, 28965131, 57930262, 144825655, 289651310]

約数ペア:

[(1, 289651310), (2, 144825655), (5, 57930262), (10, 28965131), (13, 22280870), (26, 11140435), (65, 4456174), (130, 2228087), (347, 834730), (694, 417365), (1735, 166946), (3470, 83473), (4511, 64210), (6421, 45110), (9022, 32105), (12842, 22555)]