51983178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 67767222

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 197, 199, 221, 394, 398, 442, 591, 597, 663, 1182, 1194, 1326, 2561, 2587, 3349, 3383, 5122, 5174, 6698, 6766, 7683, 7761, 10047, 10149, 15366, 15522, 20094, 20298, 39203, 43537, 43979, 78406, 87074, 87958, 117609, 130611, 131937, 235218, 261222, 263874, 509639, 666451, 1019278, 1332902, 1528917, 1999353, 3057834, 3998706, 8663863, 17327726, 25991589, 51983178]

約数ペア:

[(1, 51983178), (2, 25991589), (3, 17327726), (6, 8663863), (13, 3998706), (17, 3057834), (26, 1999353), (34, 1528917), (39, 1332902), (51, 1019278), (78, 666451), (102, 509639), (197, 263874), (199, 261222), (221, 235218), (394, 131937), (398, 130611), (442, 117609), (591, 87958), (597, 87074), (663, 78406), (1182, 43979), (1194, 43537), (1326, 39203), (2561, 20298), (2587, 20094), (3349, 15522), (3383, 15366), (5122, 10149), (5174, 10047), (6698, 7761), (6766, 7683)]