1288894490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{16069}}^1$

素因数の和:16706

約数の個数: 32

約数和(自身を含む): 2502677520

約数和(自身を除く): 1213783030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 617, 1234, 3085, 6170, 8021, 16042, 16069, 32138, 40105, 80210, 80345, 160690, 208897, 417794, 1044485, 2088970, 9914573, 19829146, 49572865, 99145730, 128889449, 257778898, 644447245, 1288894490]

約数ペア:

[(1, 1288894490), (2, 644447245), (5, 257778898), (10, 128889449), (13, 99145730), (26, 49572865), (65, 19829146), (130, 9914573), (617, 2088970), (1234, 1044485), (3085, 417794), (6170, 208897), (8021, 160690), (16042, 80345), (16069, 80210), (32138, 40105)]