1213245378

素因数分解:

$2^1\times 3^4\times {\mathrm{421}}^1\times {\mathrm{17789}}^1$

素因数の和:18224

約数の個数: 40

約数和(自身を含む): 2725178940

約数和(自身を除く): 1511933562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 421, 842, 1263, 2526, 3789, 7578, 11367, 17789, 22734, 34101, 35578, 53367, 68202, 106734, 160101, 320202, 480303, 960606, 1440909, 2881818, 7489169, 14978338, 22467507, 44935014, 67402521, 134805042, 202207563, 404415126, 606622689, 1213245378]

約数ペア:

[(1, 1213245378), (2, 606622689), (3, 404415126), (6, 202207563), (9, 134805042), (18, 67402521), (27, 44935014), (54, 22467507), (81, 14978338), (162, 7489169), (421, 2881818), (842, 1440909), (1263, 960606), (2526, 480303), (3789, 320202), (7578, 160101), (11367, 106734), (17789, 68202), (22734, 53367), (34101, 35578)]