81327518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 129366720

約数和(自身を除く): 48039202

約数列:

[1, 2, 41, 61, 71, 82, 122, 142, 229, 458, 2501, 2911, 4331, 5002, 5822, 8662, 9389, 13969, 16259, 18778, 27938, 32518, 177571, 355142, 572729, 666619, 991799, 1145458, 1333238, 1983598, 40663759, 81327518]

約数ペア:

[(1, 81327518), (2, 40663759), (41, 1983598), (61, 1333238), (71, 1145458), (82, 991799), (122, 666619), (142, 572729), (229, 355142), (458, 177571), (2501, 32518), (2911, 27938), (4331, 18778), (5002, 16259), (5822, 13969), (8662, 9389)]