168642005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 244469760

約数和(自身を除く): 75827755

約数列:

[1, 5, 7, 19, 35, 95, 133, 367, 665, 691, 1835, 2569, 3455, 4837, 6973, 12845, 13129, 24185, 34865, 48811, 65645, 91903, 244055, 253597, 459515, 1267985, 1775179, 4818343, 8875895, 24091715, 33728401, 168642005]

約数ペア:

[(1, 168642005), (5, 33728401), (7, 24091715), (19, 8875895), (35, 4818343), (95, 1775179), (133, 1267985), (367, 459515), (665, 253597), (691, 244055), (1835, 91903), (2569, 65645), (3455, 48811), (4837, 34865), (6973, 24185), (12845, 13129)]