328400568

素因数分解:

$2^3\times 3^4\times {\mathrm{506791}}^1$

素因数の和:506809

約数の個数: 40

約数和(自身を含む): 919827480

約数和(自身を除く): 591426912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 506791, 1013582, 1520373, 2027164, 3040746, 4054328, 4561119, 6081492, 9122238, 12162984, 13683357, 18244476, 27366714, 36488952, 41050071, 54733428, 82100142, 109466856, 164200284, 328400568]

約数ペア:

[(1, 328400568), (2, 164200284), (3, 109466856), (4, 82100142), (6, 54733428), (8, 41050071), (9, 36488952), (12, 27366714), (18, 18244476), (24, 13683357), (27, 12162984), (36, 9122238), (54, 6081492), (72, 4561119), (81, 4054328), (108, 3040746), (162, 2027164), (216, 1520373), (324, 1013582), (648, 506791)]