398640852

素因数分解:

$2^2\times 3^4\times {\mathrm{1230373}}^1$

素因数の和:1230389

約数の個数: 30

約数和(自身を含む): 1042126778

約数和(自身を除く): 643485926

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1230373, 2460746, 3691119, 4921492, 7382238, 11073357, 14764476, 22146714, 33220071, 44293428, 66440142, 99660213, 132880284, 199320426, 398640852]

約数ペア:

[(1, 398640852), (2, 199320426), (3, 132880284), (4, 99660213), (6, 66440142), (9, 44293428), (12, 33220071), (18, 22146714), (27, 14764476), (36, 11073357), (54, 7382238), (81, 4921492), (108, 3691119), (162, 2460746), (324, 1230373)]