28826875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 44985600

約数和(自身を除く): 16158725

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 599, 625, 875, 1375, 1925, 2995, 4193, 4375, 6589, 6875, 9625, 14975, 20965, 32945, 46123, 48125, 74875, 104825, 164725, 230615, 374375, 524125, 823625, 1153075, 2620625, 4118125, 5765375, 28826875]

約数ペア:

[(1, 28826875), (5, 5765375), (7, 4118125), (11, 2620625), (25, 1153075), (35, 823625), (55, 524125), (77, 374375), (125, 230615), (175, 164725), (275, 104825), (385, 74875), (599, 48125), (625, 46123), (875, 32945), (1375, 20965), (1925, 14975), (2995, 9625), (4193, 6875), (4375, 6589)]