31178126

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 58521600

約数和(自身を除く): 27343474

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 199, 217, 266, 361, 398, 434, 589, 722, 1178, 1393, 2527, 2786, 3781, 4123, 5054, 6169, 7562, 8246, 11191, 12338, 22382, 26467, 43183, 52934, 71839, 78337, 86366, 117211, 143678, 156674, 234422, 502873, 820477, 1005746, 1640954, 2227009, 4454018, 15589063, 31178126]

約数ペア:

[(1, 31178126), (2, 15589063), (7, 4454018), (14, 2227009), (19, 1640954), (31, 1005746), (38, 820477), (62, 502873), (133, 234422), (199, 156674), (217, 143678), (266, 117211), (361, 86366), (398, 78337), (434, 71839), (589, 52934), (722, 43183), (1178, 26467), (1393, 22382), (2527, 12338), (2786, 11191), (3781, 8246), (4123, 7562), (5054, 6169)]