25988979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 12027021

約数列:

[1, 3, 19, 47, 57, 89, 109, 141, 267, 327, 893, 1691, 2071, 2679, 4183, 5073, 5123, 6213, 9701, 12549, 15369, 29103, 79477, 97337, 184319, 238431, 292011, 455947, 552957, 1367841, 8662993, 25988979]

約数ペア:

[(1, 25988979), (3, 8662993), (19, 1367841), (47, 552957), (57, 455947), (89, 292011), (109, 238431), (141, 184319), (267, 97337), (327, 79477), (893, 29103), (1691, 15369), (2071, 12549), (2679, 9701), (4183, 6213), (5073, 5123)]