71420656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 143018624

約数和(自身を除く): 71597968

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 223, 296, 446, 541, 592, 892, 1082, 1784, 2164, 3568, 4328, 8251, 8656, 16502, 20017, 33004, 40034, 66008, 80068, 120643, 132016, 160136, 241286, 320272, 482572, 965144, 1930288, 4463791, 8927582, 17855164, 35710328, 71420656]

約数ペア:

[(1, 71420656), (2, 35710328), (4, 17855164), (8, 8927582), (16, 4463791), (37, 1930288), (74, 965144), (148, 482572), (223, 320272), (296, 241286), (446, 160136), (541, 132016), (592, 120643), (892, 80068), (1082, 66008), (1784, 40034), (2164, 33004), (3568, 20017), (4328, 16502), (8251, 8656)]