1285668

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:584

約数の個数: 36

約数和(自身を含む): 3302208

約数和(自身を除く): 2016540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 503, 639, 852, 1006, 1278, 1509, 2012, 2556, 3018, 4527, 6036, 9054, 18108, 35713, 71426, 107139, 142852, 214278, 321417, 428556, 642834, 1285668]

約数ペア:

[(1, 1285668), (2, 642834), (3, 428556), (4, 321417), (6, 214278), (9, 142852), (12, 107139), (18, 71426), (36, 35713), (71, 18108), (142, 9054), (213, 6036), (284, 4527), (426, 3018), (503, 2556), (639, 2012), (852, 1509), (1006, 1278)]