28557198

素因数分解:

$2^1\times 3^4\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:854

約数の個数: 40

約数和(自身を含む): 64294560

約数和(自身を除く): 35737362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 409, 431, 818, 862, 1227, 1293, 2454, 2586, 3681, 3879, 7362, 7758, 11043, 11637, 22086, 23274, 33129, 34911, 66258, 69822, 176279, 352558, 528837, 1057674, 1586511, 3173022, 4759533, 9519066, 14278599, 28557198]

約数ペア:

[(1, 28557198), (2, 14278599), (3, 9519066), (6, 4759533), (9, 3173022), (18, 1586511), (27, 1057674), (54, 528837), (81, 352558), (162, 176279), (409, 69822), (431, 66258), (818, 34911), (862, 33129), (1227, 23274), (1293, 22086), (2454, 11637), (2586, 11043), (3681, 7758), (3879, 7362)]