66706666

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{1307}}^1$

素因数の和:1486

約数の個数: 24

約数和(自身を含む): 109149984

約数和(自身を除く): 42443318

約数列:

[1, 2, 13, 26, 151, 169, 302, 338, 1307, 1963, 2614, 3926, 16991, 25519, 33982, 51038, 197357, 220883, 394714, 441766, 2565641, 5131282, 33353333, 66706666]

約数ペア:

[(1, 66706666), (2, 33353333), (13, 5131282), (26, 2565641), (151, 441766), (169, 394714), (302, 220883), (338, 197357), (1307, 51038), (1963, 33982), (2614, 25519), (3926, 16991)]