12805142

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 10004458

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 239, 301, 478, 602, 623, 1246, 1673, 3346, 3827, 7654, 10277, 20554, 21271, 26789, 42542, 53578, 71939, 143878, 148897, 297794, 914653, 1829306, 6402571, 12805142]

約数ペア:

[(1, 12805142), (2, 6402571), (7, 1829306), (14, 914653), (43, 297794), (86, 148897), (89, 143878), (178, 71939), (239, 53578), (301, 42542), (478, 26789), (602, 21271), (623, 20554), (1246, 10277), (1673, 7654), (3346, 3827)]