78960364

素因数分解:

$2^2\times 7^2\times {\mathrm{402859}}^1$

素因数の和:402877

約数の個数: 18

約数和(自身を含む): 160741140

約数和(自身を除く): 81780776

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402859, 805718, 1611436, 2820013, 5640026, 11280052, 19740091, 39480182, 78960364]

約数ペア:

[(1, 78960364), (2, 39480182), (4, 19740091), (7, 11280052), (14, 5640026), (28, 2820013), (49, 1611436), (98, 805718), (196, 402859)]