398290152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1276571}}^1$

素因数の和:1276593

約数の個数: 32

約数和(自身を含む): 1072320480

約数和(自身を除く): 674030328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1276571, 2553142, 3829713, 5106284, 7659426, 10212568, 15318852, 16595423, 30637704, 33190846, 49786269, 66381692, 99572538, 132763384, 199145076, 398290152]

約数ペア:

[(1, 398290152), (2, 199145076), (3, 132763384), (4, 99572538), (6, 66381692), (8, 49786269), (12, 33190846), (13, 30637704), (24, 16595423), (26, 15318852), (39, 10212568), (52, 7659426), (78, 5106284), (104, 3829713), (156, 2553142), (312, 1276571)]