81222625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3154

約数の個数: 32

約数和(自身を含む): 116438400

約数和(自身を除く): 35215775

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 3109, 5225, 15545, 26125, 34199, 59071, 77725, 170995, 295355, 388625, 649781, 854975, 1476775, 3248905, 4274875, 7383875, 16244525, 81222625]

約数ペア:

[(1, 81222625), (5, 16244525), (11, 7383875), (19, 4274875), (25, 3248905), (55, 1476775), (95, 854975), (125, 649781), (209, 388625), (275, 295355), (475, 170995), (1045, 77725), (1375, 59071), (2375, 34199), (3109, 26125), (5225, 15545)]