218001875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3833}}^1$

素因数の和:3873

約数の個数: 40

約数和(自身を含む): 335367648

約数和(自身を除く): 117365773

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3833, 4375, 8125, 11375, 19165, 26831, 49829, 56875, 95825, 134155, 249145, 348803, 479125, 670775, 1245725, 1744015, 2395625, 3353875, 6228625, 8720075, 16769375, 31143125, 43600375, 218001875]

約数ペア:

[(1, 218001875), (5, 43600375), (7, 31143125), (13, 16769375), (25, 8720075), (35, 6228625), (65, 3353875), (91, 2395625), (125, 1744015), (175, 1245725), (325, 670775), (455, 479125), (625, 348803), (875, 249145), (1625, 134155), (2275, 95825), (3833, 56875), (4375, 49829), (8125, 26831), (11375, 19165)]