161718970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5939}}^1$

素因数の和:6342

約数の個数: 32

約数和(自身を含む): 333590400

約数和(自身を除く): 171871430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2723, 3890, 5446, 5939, 11878, 13615, 27230, 29695, 41573, 59390, 83146, 207865, 415730, 2310271, 4620542, 11551355, 16171897, 23102710, 32343794, 80859485, 161718970]

約数ペア:

[(1, 161718970), (2, 80859485), (5, 32343794), (7, 23102710), (10, 16171897), (14, 11551355), (35, 4620542), (70, 2310271), (389, 415730), (778, 207865), (1945, 83146), (2723, 59390), (3890, 41573), (5446, 29695), (5939, 27230), (11878, 13615)]